When a relationship ends badly, it's not all too uncommon for a bitter ex to slam their former boyfriend or girlfriend. And if they're feeling extra vengeful, a serious diss about their exes' bad sex skills or small penis size might just come spewing out.
Click through the gallery to see stars who totally dissed their exes' bedroom skills.
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Eminem's ex wife Kim put the rapper's manhood size on blast, and admitted he needs Viagra!
"He's not very well-endowed. If you're going to have sex with Marshall, make sure you have a little blue pill, because otherwise it does not work," she said.
2 of 7
Hailey Glassman dissed the size of her ex Jon Gosselin's manhood.
"He's hung like a nine-year-old boy," she said. "I'm serious. This is true. Anybody who sleeps with him will notice. It's very noticeable. It's so tiny, tiny, tiny."
3 of 7
Rita Ora blasted Rob Kardashian after they broke up and said that his small penis is the reason she cheated on him.
"Rob’s d–k was whack, I had to go get it somewhere else," she tweeted, and later deleted.
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Angelina Pivarnick admitted to hooking up with Mike "The Situation" Sorrentino – and said that he's not well endowed.
"I'm going to be honest with you, Mike The Situation's penis is, like, so small. I swear on my life, so small – pencil d–k," she said.
5 of 7
Jessica Simpson said she faked everything when she and Nick Lachey first had sex.
"Nick's small package was a problem sometimes, like the first time we had sex, to tell you the truth, I didn't really feel much, I faked the whole thing, I really felt sorry for him, I still loved him though," she reportedly said.
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Lil' Wayne's ex Karrine Steffans took to social media to bash the rapper after he released a sex tape with someone else.
"The homie @LilTunechi has a sex tape? I know that s— is short than a mugg… presses play." she tweeted. Adding, "Chile…that @LilTunechi sex tape is so dry. Brought flash backs of texting and looking at the ceiling in missionary for 8 years. Sigh."
"Also, just because a man is rich and famous and raps, doesn't mean he has amazing sex. Just like all black men don't have large penises," she concluded.
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Russell Brand said he got really bored during sex with ex-wife Katy Perry.
“When I got divorced, I considered becoming a monk," he said. "When you’re a monk, you’re not allowed to have sex with anyone. When you’re married, it’s one person. That’s one more than a monk. It’s not that different. I’d be having sex thinking, ‘Think of anyone, anyone else.'"