'RHOBH': Lisa Vanderpump slammed for 'transphobic' comment about Erika Jayne

Lisa Vanderpump is under fire once again, this time for a comment she made about fellow cast member Erika Jayne on this week's episode of "The Real Housewives of Beverly Hills."

During the episode that aired on Tuesday night, Vanderpump took part in a self-elected lie detector test to attempt to prove to both viewers and her cast mates that she didn't plant a story in Radar Online about co-star Dorit Kemsley and a dog that she adopted from Vanderpump Dogs. In a confessional segment that was edited into the scene, Vanderpump declared her innocence and said that there are "some things" that she "can't lie about."

"Just don't ask me if Erika's tucking it under, or something like that, because there are some things I can't lie about," Vanderpump quipped, alluding a practice commonly used by trans women.

SEE ALSO: Will Lisa Vanderpump attend the 'RHOBH' reunion? Andy Cohen gives an update (Exclusive)

Almost immediately after it aired, viewers took to Twitter to air out their distaste for Vanderpump's comment, which many called "transphobic."

"Who knew Lvp was transphobic? Well, we know NOW," cast member Lisa Rinna, who is one of Vanderpump's most outspoken critics, tweeted.

"Oof. Making transphobic jokes is soooo not cool, even if you are someone who does a lot for the LGBTQ+ community. Know better. Be better," People writer Dave Quinn tweeted. "Or maybe transphobic jokes is just part of that British humor thing she talks about all the time?"

Actress Candis Cayne, who is trans herself, also spoke out against Vanderpump's comment with a tweet of her own that included a clip of the moment in question. It's worth noting that Jayne retweeted Cayne's post.

"Oh come on @lisavanderpump joking about @erikajayne 'tucking,'" she wrote. "Ugly Trans jokes marginalizing our community are not acceptable. Being an ally doesn’t give you a free pass To make transphobic remarks. Do better."

SEE ALSO: Kyle Richards explains what made her Lisa Vanderpump feud 'so much worse' (Exclusive)

Both Quinn and Cayne made sure to mention that Vanderpump has a long history of using her platform as a reality star and successful restaurateur celebrating the LGBTQ community, but noted that that doesn't excuse any disparaging remarks about said community.

Lisa Vanderpump has yet to respond to the backlash she received for the comment.

15 PHOTOS
Lisa Vanderpump through the years
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Lisa Vanderpump through the years
LOS ANGELES, CA - JUNE 21: Reality TV Personality Lisa Vanderpump attends the 'Women Of Influence Awards' at The Wilshire Ebell Theatre on June 21, 2016 in Los Angeles, California. (Photo by Paul Archuleta/FilmMagic)
LOS ANGELES, CA - JUNE 21: Ken Todd (L) and Lisa Vanderpump (R) attend the 'Women Of Influence Awards' at The Wilshire Ebell Theatre on June 21, 2016 in Los Angeles, California. (Photo by Paul Archuleta/FilmMagic)
WEST HOLLYWOOD, CA - MAY 22: Philanthropist and host Lisa Vanderpump speaks onstage at World Dog Day on May 22, 2016 in West Hollywood, California. (Photo by Rodin Eckenroth/WireImage)
WATCH WHAT HAPPENS LIVE -- Pictured: Lisa Vanderpump -- (Photo by: Charles Sykes/Bravo/NBCU Photo Bank via Getty Images)
THE REAL HOUSEWIVES OF BEVERLY HILLS -- 'Reunion' -- Pictured: (l-r) Erika Girardi, Kyle Richards, Lisa Vanderpump, Yolanda H. Foster, Andy Cohen, Lisa Rinna, Eileen Davidson, Kathryn Edwards -- (Photo by: Isabella Vosmikova/Bravo/NBCU Photo Bank via Getty Images)
LOS ANGELES, CA - FEBRUARY 15: Reality TV Personality Lisa Vanderpump attends the Universal Music Group's 2016 GRAMMY after party at The Theatre At The Ace Hotel on February 15, 2016 in Los Angeles, California. (Photo by Paul Archuleta/FilmMagic)
LOS ANGELES, CA - FEBRUARY 15: Reality TV Personality Lisa Vanderpump attends the Universal Music Group's 2016 GRAMMY after party at The Theatre At The Ace Hotel on February 15, 2016 in Los Angeles, California. (Photo by Paul Archuleta/FilmMagic)
NEW YORK, NY - JANUARY 13: Lisa Vanderpump speaks at the AOL Build Speaker Series - Lisa Vanderpump, 'Vanderpump Rules' at AOL Studios In New York on January 13, 2016 in New York City. (Photo by Dave Kotinsky/Getty Images)
IRVINE, CA - FEBRUARY 06: Reality TV Personality Lisa Vanderpump attends the opening night premiere of Cavalia's 'Odysseo' at Odysseo's White Big Top on February 6, 2016 in Irvine, California. (Photo by Paul Archuleta/Getty Images)
WATCH WHAT HAPPENS LIVE -- Pictured (l-r): Lisa Vanderpump and Hoda Kotb -- (Photo by: Charles Sykes/Bravo/NBCU Photo Bank via Getty Images)
NEW YORK, NY - JANUARY 13: Lisa Vanderpump arrives at the AOL Build Speaker Series - Lisa Vanderpump, 'Vanderpump Rules' at AOL Studios In New York on January 13, 2016 in New York City. (Photo by Dave Kotinsky/Getty Images)
WATCH WHAT HAPPENS LIVE -- Pictured (l-r): Lisa Vanderpump and Hoda Kotb -- (Photo by: Charles Sykes/Bravo/NBCU Photo Bank via Getty Images)
WATCH WHAT HAPPENS LIVE -- Pictured: Lisa Vanderpump -- (Photo by: Charles Sykes/Bravo/NBCU Photo Bank via Getty Images)
LOS ANGELES, CA - JANUARY 06: Lisa Vanderpump arrives at People's Choice Awards 2016 at Microsoft Theater on January 6, 2016 in Los Angeles, California. (Photo by Jon Kopaloff/FilmMagic)
LOS ANGELES, CA - DECEMBER 24: Restaurateurs Ken Todd and wife Lisa Vanderpump pose for photo at Project Angel Food on December 24, 2015 in Los Angeles, California. (Photo by Tasia Wells/Getty Images)
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