'KUWTK': Scott Disick defends bringing a girl on family trip: 'I'm a f--ked up horrible sex addict'


The ongoing drama between Kourtney Kardashian and Scott Disick came to a head and actually found some resolution on Sunday's heated Keeping Up With the Kardashians.

Picking up where the show left off last week, Scott was being interrogated by his ex-girlfriend, her sisters Kim and Khloe Kardashian, and their mom, Kris Jenner, over whether or not he had brought a random girl to their family vacation in Costa Rica.

After admitting that he had, Scott tried to defend himself, saying, "Obviously, we're both trying to move on. That's what we've all been saying. So I'm trying to do everything I can f--king do to not think about her."

See photos from the Kardashians' family trip to Costa Rica

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Snaps from Kardashians' vacation in Costa Rica
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Snaps from Kardashians' vacation in Costa Rica
Body is a Wonderland ✨
Pura vida.
Vacay Vibez 🌴 @kimkardashian @makeupbymario #JenAtkinHair
How bow dah
Island Vibes 🌴🌴🌴
Last night with bae❤️ #kyliejenner snatch pony by @jenatkinhair and makeup by me! #makeupbyariel
They made the flame emoji for me
hola
Jungle Bae
Ca$h me ousside.
FLO$$ FLO$$
Island ting.
🍊 @mrmikerosenthal
🇨🇷
🐅 stripes
Shade + a Vacay @kyliejenner 🌴💯 @makeupbyariel #JenAtkinHair 📸 @mrmikerosenthal
Touristing w @mrmikerosenthal 🙇🏻❤️🌴
Off to see the plug..🚁
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However, the explanation didn't go over well, and the sisters accused Scott of being disrespectful.

"Someone with any kind of integrity would never do something like that," Kris said, admonishing him.

The embattled reality star tried to defend his actions, claiming that, in order to emotionally cope with not being able to get back together with his ex, he "had to go back to a different lifestyle," which includes drinking and hooking up with random women.

"Then you shouldn't have come on a family vacation if you can't go four days without bringing some random girl in," Kourtney fired back. "That's just not cool."

"So let me f--k you then, and I won't have to do s--t like this," Scott yelled, before claiming, "I'm a sex addict! I'm a f--ked up, horrible sex addict."

WATCH: 'KUWTK': Kim Kardashian Flips Out on 'F**king Loser' Scott Disick, Tells Kourtney to 'Move On'

However, Scott admitted in a solo interview that his claim was mainly just to defuse the tense confrontation.

"Saying I'm a sex addict is honestly the first thing that popped into my head, and I don't really think it's my actual problem," he explained. "But it's definitely not easy to hear everybody attack me and tell me how disrespectful I am, and I don't know, literally, what else to say."

Khloe had no interest in Scott's claims, and made her frustration known with a shower of ice water.

"If you need to get your d--k wet that badly, then get your f--king d--k wet," Khloe said as she stood up and threw a full glass of water in Scott's lap before walking off. Kim followed her after throwing another glass of water in Scott's face.

RELATED: See photos of Kourtney's birthday vacation

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Kourtney Kardashian's birthday trip to Mexico
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Kourtney Kardashian's birthday trip to Mexico
This is how we do it down in Puerto Rico
Girls Trip
con mi esposa 🌴
So I did a drunk braid on @kourtneykardash today (It was me drinking). There's no how-to either...it's a long story. 🤤🍹🌴 #ShesSoFuego #FriendsletFriendsDrunkBraid #spf1942
here's me acting super natural on a boat
brb. 🌴🍹👋🏼 #spf1942
S W A N G I N
It was written in the sky
Viva 🇲🇽
you try sucking it in after you ate your weight in chips and guac 🤷🏻‍♀️
CAVE
Rough night! I'll post chronicles on my snap
I know where I'm going.
like the ocean
NoChella @kourtneykardash
now playing "despacito" 🔂
Calabasas Mom Crew
VIVA 🇲🇽 !!
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uno
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After most of the water had been thrown and most of the people had left, Scott walked up to Kourtney as she was leaving and laughingly said, "So, should we head home together? You and me?" His advances were roundly rejected.

WATCH: Scott Disick Says He Proposed to Kourtney Kardashian, But They 'Got Scared' and 'Never Spoke About It Again'

Despite their conflict, spirits seemed to remain high between the sisters and Scott, and Kourtney said the dinner actually helped her feel better about the situation.

"I definitely feel relieved that we had that conversation at dinner, and now I can move forward," Kourtney said in a solo interview. "It's been nonsense for 10 years, like up and down, so this is like the final door closed. We're done."

Later in the evening, Scott texted Khloe, admitting he knew what he'd done was wrong and asking if he could stay in her hotel room, because he didn't want to have to go back to where he was staying with the woman he'd brought out to Costa Rica.

While Khloe told him he'd have to figure things out for himself, the pair did meet up the next morning to talk, and Khloe admitted she's decided to forgive him.

"It's totally hard to stay mad at Scott, but also Scott and I were texting the whole night. He was so remorseful and felt like a piece of s--t. So what am I gonna do? Kick someone when they're down? He already gets what he did [was wrong], so we're good," she said in a joint interview with Scott by her side.

Later, the family -- including Scott, Kourtney and their three kids -- spent the day inner-tubing and playing in some of the hot springs pools, where they all got along like a sweet, happy family.

"Scott's so lucky because I'm the coolest baby mama on the planet, because [despite] the stuff he's done, I still allow him to come on our family trips," Kourtney said. "He's the father of my kids and I want him to have these great memories and experiences with us."

However, Kourtney also admitted that she needed to have a real, definitive conversation with Scott to cement in his mind the fact that they are never, ever going to get back together.

Later, while lounging around in an infinity pool at the resort, Kourtney quietly confronted Scott while Khloe played with their kids in the water.

"I think something we've learned from this trip is that we just need to move on," Kourtney said.

"Perfect! You've driven me nuts for 10 years," Scott shot back, trying not to sound hurt.

WATCH: Kourtney Kardashian and Scott Disick Are 'Back At It Again With the Co-Parenting Skills' in Hawaii

"I think, after everything that's happened here in Costa Rica, Scott knows that it's done," Kourtney told the KUWTK camera. "But just saying those words lets both of us move on and just feel like it's done."

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