Mustard Pee 

The yellowish liquid that comes out from an upside down mustard bottle right before you squirt mustard onto a food item. Usually groans can be heard from the squirter indicating that mustard pee came out of the bottle instead of mustard.

Ugh! There's mustard pee all over my hot dog!

Mustard Pee by Cannibalporsche July 3, 2011

follow-up pee 

The need to pee that comes shortly after you have just peed, usually because you drank a large amount of liquid prior to the initial pee

"I really have to pee."

"Didn't you just pee like 30 minutes ago?"

"Ya, but I had a large coffee right before that, so this is my follow-up pee."

follow-up pee by ben viper July 30, 2009

Why is my pee red day 

On December 01 at 6 PM GMT. Everyone google "Why is my pee red", to confuse the hell out of search algorithms

Frank : Why are you searching that?
Perri : It's why is my pee red day.

Why is my pee red day by anonymous November 19, 2020

diaper-pee 

pungent smelling urine, very yellow in colour that compares in odour to that of a soiled diaper.

The odour of diaper-pee lingerd every time he peed.

diaper-pee by Jack May 30, 2004

I have to pee like a mother

This is an expression much like I have to pee like a monster. Also known as I have to pee like a pregnant woman, this phrase refers to how pregnant women have to pee a lot.

Ah! Where's the bathroom!? I have to pee like a mother!

I have to pee like a mother by Raindrops on Roses December 16, 2007

girl pee 

When a girl you just started dating, or one you've been having sex with leaves articles of clothing or personal (girl) items around your pad . This acts purpose is so other bitches can see that another one of them has been in the same area . Like a true bitch marking her territory .

That dirty slut i picked up from the bar last night must of shoved her panties behind my bed . Thank god i checked my room for girl pee this morning . My girl would of gone psycho if she would of found them .

girl pee by kaper March 9, 2009

Free-Pee 

The act of a male human peeing in a urinal or toilet without using their hands in any way at all unless unzipping their pants.

Person 1: Ok, lets go.

Person 2: Wash your hands you nasty bastard.

Person 1: I don't have to, I just did a free-pee.

Person 2: wtf.

Free-Pee by What the hell's a pseudonym? April 30, 2011