George W. and Laura Bush's grandkids sure do have bizarre nicknames for them

Former-First Lady Laura Bush recently admitted that her grandchildren don't call her and her husband, President George W. Bush, "grandma" and "grandpa" -- and their nicknames are really something else!

While Laura Bush was being honored at the recent Women Making History Awards, she revealed that her grandchildren call her "Mimi Maxwell," a name invented by her daughters Jenna and Barbara, according to Page Six.

A source also told Page Six that while the 43rd president wanted his grandkids to refer to him as "sir," they decided on their own that he would go by "Jefe" instead.

Grandkids sure do say the darndest things.

(h/t The Cut)

RELATED: See throwback photos to George W. Bush's inaugurations:

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President George W. Bush's inaugurations
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President George W. Bush's inaugurations
George W. Bush (L) is sworn in as the 43rd President of the United States January 20, 2001 by U.S. Supreme Court Chief Justice William Rehnquist (right/foreground). First lady Laura Bush (center/right) looks on, as well as daughters Jenna (C) and Barbara (obscured behind Rehnquist). At center/rear are Vice-President Dick Cheney and his wife Lynne, right/rear.
President George W. Bush delivers his inaugural address on the steps of the U.S. Capitol building in Washington, January 20, 2001. Bush pledged he would work to build "a single nation of justice and opportunity. 

(Reuters Photographer / Reuters)

Fireworks burst above US Vice President Dick Cheney (L), wife Lynn Cheney, First Lady Laura Bush (3L) and US President George W. Bush (4L) during the 'Celebration of Freedom' inaugural concert on the Ellipse south of the White House in Washington, DC.

(Photo by Brooks Kraft LLC/Corbis via Getty Images)

Casey Owens, a wounded marine, salutes during the Inaugural speech by U.S. President George W. Bush on Capitol Hill in Washington, January 20, 2005. Bush was sworn in for his second term in office.

(REUTERS/Jonathan Ernst)

Logan Walters, aide to President elect George W. Bush, takes dog Spot from Bush, who is sitting in his limousine, as they arrived to board an Air Force jet to take him and wife Laura to Washington via Midland, Texas, for the presidential inauguration, January 17, 2001. 

(Rick Wilking / Reuters)

President-elect George W. Bush (R) dances with singer Ricky Martin at the opening ceremony of the inauguration at the Lincoln Memorial in Washington January 18, 2001. Bush will be sworn in as the 43rd president on January 20.

(REUTERS/Rick Wilking)

Former U.S. President George H. Bush (R), with his wife Barbara and granddaughters Barbara (rear, L) and Jenna (rear, R) wave as they walk through the Rotunda on Capitol Hill prior to the swearing in of President George W. Bush, January 20, 2005. President George W. Bush was sworn in for a second term on Thursday and pledged to work to heal a country divided by the Iraq war. Bush, who begins his second term with the lowest approval rating of any returning president except Richard Nixon, said in his inaugural address, "We have known divisions, which must be healed to move forward in great purposes, and I will strive in good faith to heal them."

(REUTERS/Robert Sullivan)

The Rockettes perform at the Lincoln Memorial during the opening ceremony for George W. Bush's inauguration January 18, 2001 in Washington. Bush will be sworn in as the next President of the United States on January 20.

(Win McNamee / Reuters)

Secretary of State-designate Colin Powell (L) and Attorney General-designate John Ashcroft arrive at the Inauguration opening ceremony at the Lincoln Memorial in Washington January 18, 2001. George W. Bush will be sworn in as the 43rd president of the United States on January 20. 

(Reuters Photographer / Reuters)
A worker cleans windows of a downtown bank January 18, 2001, in preparation for the inauguration of George W. Bush as 43rd president of the United States. Bush will be inaugurated on January 20.

(Shaun Best / Reuters)
 
President George W. Bush (R) is hugged by his daughter Jenna while his wife, first lady Laura Bush (2nd R), daughter Barbara (L) and Vice President Dick Cheney look on, after Bush was sworn in at the U.S. Capitol, January 20, 2001. Bush took the oath of office as the 43rd President of the United States during the Inauguration ceremony and pledged he would work to build "a single nation of justice and opportunity. 

(Reuters Photographer / Reuters)
Carpet layers Timothy Bury (R) and Jason McNamara lay out the carpet U.S. President George W. Bush will walk down to the dias for his swearing-in ceremony as inaugural preparations continue at the U.S. Capitol in Washington January 12, 2005. President Bush will be sworn in for his second term January 20. REUTERS/Gary Hershorn GMH

Would-be president Sen. John Kerry, D-Mass., far left, and other members look on as Kerry's competition in the 2004 election, President George W. Bush, delivers his inaugural address after being sworn in for a second term.

(Photo by Scott J. Ferrell/Congressional Quarterly/Getty Images)

Former President George Bush (2nd L) shakes hands with President Bill Clinton as he and Barbara Bush (L) arrive at the Presidential Inauguration ceremony at the U.S. Capitol, January 20, 2001. Bush's son, George W. Bush, took the oath of office as the 43rd President of the United States Saturday and pledged he would work to build "a single nation of justice and opportunity." At right of Clinton is U.S. Vice President Al Gore. 

(Reuters Photographer / Reuters)

On a dreary, rain-filled January 20, 2001, George W. Bush is sworn in on the west side of the U.S. Capitol building. In his inaugural speech, Bush pledged he would work to build "a single nation of justice and opportunity. 

(Reuters Photographer / Reuters

U.S. President George W. Bush (2L) and his wife Laura walk down the steps of the Capitol Building with former President Bill Clinton (2R) and his wife Hillary following Bush's inauguration in Washington, January 20, 2001. Bush was sworn in as the 43rd President of the United States. 

(Shaun Best / Reuters)

The White House on May 14, 2002 said the Republican Party was selling copies of photographs of U.S. President George W. Bush on Sept. 11 to raise campaign funds, drawing Democratic charges it was exploiting a tragedy. The photograph was part of a three-photo package, including this file photo of Bush's inauguration, depicting "the defining moments" of Bush's first year in exchange for a minimum donation of $150 to a dinner next month headlined by Bush and sponsored by the National Republican Congressional Committee and the National Republican Senatorial Committee. Bush takes the oath of office as the 43rd President of the United States from U.S. Supreme Court Chief Justice William Rehnquist (R) on January 20, 2001.

(REUTERS/Jim Bourg)

A workman removes bunting from bleachers near the presidential reviewing stand on Pennsylvania Avenue in Washington on January 21, 2001. President George W. Bush, sworn into office on January 20, watched the inaugural parade from the stand. PM/jp

President-elect George W. Bush shares a laugh with his wife Laura during the Wyoming State Society reception January 19, 2001 at the U.S. Chamber of Commerce in Washington. Bush will be inaugurated as President of the United States in ceremonies January 20. 

(Reuters Photographer / Reuters)

U.S. President George W. Bush's daughters Barbara (L) and Jenna listen to their father while attending an Inauguration Ball at the Washington Hilton, January 20, 2005.

(REUTERS/Kevin Lamarque)

U.S. President George W. Bush and first lady Laura Bush share their first turn on the dance floor at the Ronald Reagan Inaugural Ball January 20, 2001 in Washington, DC. Bush was inaugurated as the 43rd president of the United States earlier in the day. 

(Reuters Photographer / Reuters)

U.S. President George W. Bush (L) and first lady Laura Bush wave as they walk during the inaugural parade, January 20, 2001. Bush took the oath of office today as the 43rd president of the United States and pledged he would work to build a "single nation of justice and opportunity.

(Tim Shaffer / Reuters)

President George W. Bush (L) takes the oath of office as the 43rd President of the United States while his wife, first lady Laura Bush, looks on during the Inauguration ceremony at the U.S. Capitol, January 20, 2001. Bush pledged he would work to build "a single nation of justice and opportunity.

(Reuters Photographer / Reuters)

A snowball melts on the side of a limousine as Vice President Richard Cheney waves during the inaugural parade in Washington, January 20, 2005. Flag-draped coffins and anti-war chants competed with pomp and circumstance on Thursday at the inauguration of President George W. Bush along the snow-dusted, barricaded streets of central Washington.

(REUTERS/Tim Shaffer)

George W. Bush (R) shakes hands with former Vice President Al Gore after Bush took the oath of office as the 43rd President of the United States during the Inauguration ceremony at the U.S. Capitol, January 20, 2001. Bush took the oath of office as the 43rd President of the United States Saturday and pledged he would work to build "a single nation of justice and opportunity. 

(Reuters Photographer / Reuters)
Dick Cheney is sworn in as the 43rd vice president of the United States by Chief Justice William Rehnquist at the U.S. Capitol, January 20, 2001. [George W. Bush took the oath of office today as the 43rd president of the United States and pledged he would work to build a "single nation of justice and oppurtunity." ]

A man walks past the inaugural parade reviewing stand that is under construction in front of the White House, January 4, 2005 in Washington, DC. U.S. President George W. Bush will be sworn in to serve his second term as president on January 20.

(Photo by Mark Wilson/Getty Images)

President George W. Bush hugs his father, former President George Bush (L) and reaches for his mother Barbara after he was sworn in as the 43rd president of the United States, in Washington January 20, 2001. Bush pledged he would work to build "a single nation of justice and opportunity."
George W. Bush's daughters Jenna (L) and Barbara attend the presidential inauguration at the U.S. Capitol in Washington, January 20, 2001. [George W. Bush will be the first president's son to take over the White House since John Quincy Adams in 1825. ]

Fireworks burst over the Washington Monument at the close of the 'Celebration of Freedom' program 19 January 2005 on the Ellipse in Washington, DC. The concert is one in a series of events surrounding the 20 January 2005 second term inauguration of US President George W. Bush.

(STAN HONDA/AFP/Getty Images)

U.S. President George W. Bush (L) shakes hands with former president Bill Clinton after Bush was sworn in as the 43rd president of the United States, at the U.S. Capitol January 20, 2001. President Bush is the first president's son to take over the White House since John Quincy Adams in 1825.
Workers finish preparations for U.S. President Bush's inauguration outside the Capitol Building, in Washington, January 18, 2005. Preparations are continuing for the January 20 inauguration of President George W. Bush, the first since the 9/11 attacks. Bush is drawing heat over a $40 million splurge on inaugural balls, concerts and candlelight dinners while the country is in a somber mood because of the Iraq war and Asian tsunami. Critics say the lavish celebrations are unseemly when U.S. troops face daily violence in Iraq and Americans are being urged to donate money to alleviate the suffering in Asia, where the Dec. 26 tsunami killed 163,000 people. REUTERS/Jason Reed JIR/GN

President-elect George W. Bush (R) with his wife Laura and Vice President-elect Dick Cheney and his wife Lynn descend the steps of the Lincoln Memorial at the start of the inaugural opening ceremonies in Washington January 18, 2001.

(Reuters Photographer / Reuters)

U.S. President George W. Bush (R), first lady Laura Bush (2nd R), Vice President Dick Cheney (L) and Lynne Cheney (2nd L) arrive on stage for "A Celebration of Freedom" on The Ellipse in Washington, D.C., January 19, 2005. Bush will be sworn in for his second term on January 20. REUTERS/Mike Segar REUTERS PJ
U.S. President George W. Bush (L) smiles at first lady Laura Bush (R) as they wait for the Inauguration ceremony on Capitol Hill in Washington, January 20, 2005. Behind Bush from left to right are daughters Barbara Bush, Jenna Bush, brother Florida Governor Jeb Bush and father, former President George H. Bush. REUTERS/Kevin Lamarque PJ

Florida Governor Jeb Bush takes a photograph as he arrives for the Inauguration of his brother, U.S. President George W. Bush on Capitol Hill in Washington, January 20, 2005.

(REUTERS/Jim Bourg)

U.S. President George W. Bush and first lady Laura Bush walk in the Inaugural Parade in Washington, January 20, 2005. Bush was sworn in for his second term in office.

(REUTERS/Peter Morgan)

U.S. Vice president Dick Cheney (L) takes the oath for his second term in office from House Speaker Dennis Hastert (R) at inaugural ceremonies in Washington D.C. January 20, 2005. Cheney's wife Lynn (2nd L), daughters Mary (3rd L) and Liz (2nd R) watch. Watching behind is U.S. President George W. Bush (rear R) and Senator Trent Lott (R-MS).

(REUTERS/Kevin Lamarque PM)

Police line the Inauguration parade route in Washington, DC, January 20, 2005. U.S. President George W. Bush was sworn in for a second term on Thursday and pledged to work to heal a country divided by the Iraq war. Bush, who begins his second term with the lowest approval rating of any returning president except Richard Nixon, said in his inaugural address, "We have known divisions, which must be healed to move forward in great purposes, and I will strive in good faith to heal them." Bush also vowed to advance democracy abroad to "break the reign of hatred and resentment" in his address, delivered on a snowy, wintry day before thousands gathered at the U.S. Capitol and millions watching on television.

(REUTERS/Tim Shaffer)

U.S. President George W. Bush prepares to give his inaugural speech on the steps of Capitol Hill in Washington January 20, 2005. Bush was sworn in for his second term in office.

(REUTERS/Brian Snyder)

U.S. President George W. Bush waves with first lady Laura Bush during the Texas Wyoming Ball in Washington, January 20, 2005. Bush was sworn in for his second term in office earlier today.

(REUTERS/Jason Reed)

U.S. President George W. Bush and first lady Laura Bush dance on the Presidential Seal at the Commander-in-Chief's Inauguration Ball at the National Building Museum in Washington, January 20, 2005. Pictures of the Year 2005.

(REUTERS/Kevin Lamarque)

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