number three 

doing a pee and a poo

Cody: Mr Brown
Mr Brown: Yes
Cody: Can I please use the bathroom
Mr Brown: RU taking number one or number two?
Cody: Number three

number three by Power476 July 25, 2020

Number 3 

Going to the bathroom, and jerking off.

I’m gonna go to the bathroom and do a number 1...and a number 3

Number 3 by Opiepost69 April 16, 2018

Number 3 

noun - semen
verb - to ejaculate

Often used in the context that one would use the phrase "number 1" or "number 2" to describe bodily functions or fluids."

"Dude, I just took the biggest number 3 all over my ex-girlfriends bed."

Number 3 by Fob Star November 3, 2009

Number 1 

Number 1
slang used as a way to insult somone

You number 1

Number 1 by A Lad in hand December 18, 2018

Number three 

Menstrual secretion

I wish toilets accommodated for number three’s as they do for number ones and twos

I need to attend to my number three by changing my tampon

Number three by Dyslexicdefinition January 9, 2020

Number three 

Best Jersey Number, EVER!

Joe - "What's your jersey say?"
Ben- "Number three."
Joe- "Best number EVER!"

Number three by nothinglessnothingmore March 28, 2011

Number Nine 

An extremely large mess with a high pitched voice and smells of ass. If you are in this situation... well... I guess your life sucks!

Number Nine, Number Nine, Number Nine, Number Nine.

Number Nine by The Mess Himself January 22, 2008