When you've been holding your pee for literally more than 3 hours so when you finally do release your pee, you don't have to push it out, it just flows.
Dude, I was at that party all night, and when I got home, I had to take a fat piss.
by Hollywood8245 November 4, 2007
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having to pee really bad
Dude, I gotta take a fat piss
by Bethany182rwj November 16, 2003
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When you’re taking a fat piss and you’re there for so long you put your hand on the wall and say “Damn this is a fat piss”
I was taking a FAT piss yesterday. And it took like 45 minutes. My legs got tired.
by VulpineDoge October 14, 2018
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The dirty stench you are sometimes subjected to when you walk past a really fat person, its just like a dirty urine smell, like they can't wash under the folds of fat. Makes you have to hold your breath when you walk past.
A: Dude, can you smell that?
B: We just walked past that fat old woman, it was probably her.
A: I guess, it was a stinky piss smell now you mention it.
B: There's a word for that, I think it's stinky fat piss smell?
by WeThree November 5, 2010
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I woke up with the biggest piss fat this morning. My girlfriend thought she had excited me and decided to blow me. I think I accidently did a few wee drops in her mouth.
by Penis Master July 28, 2003
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