piss fat 

The erection one has in the morning hours.

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.

piss fat by Penis Master July 27, 2003

Fat piss 

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.

Fat piss by Hollywood8245 November 25, 2007

Fat Piss 

having to pee really bad

Dude, I gotta take a fat piss

Fat Piss by Bethany182rwj November 16, 2003

stinky fat piss smell 

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?

stinky fat piss smell by WeThree November 6, 2010

Fat Piss 

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.

Fat Piss by VulpineDoge October 14, 2018

Fat piss 

im gonna go take a fat piss

im gonna go take a fat piss i'll be back

Fat piss by GORILLA DA SPINNER December 7, 2021

First Fatal Piss 

The first piss you take on a night out that opens the floodgates and makes you need to go every 8-10 minutes.

Lucy: Oh crap I need to take a first fatal piss
Dom: haha unlucky

First Fatal Piss by partyboy123 March 26, 2008