Wee, pee, urinate.

Comes from the childrens nursery rhyme:

Number one, tickle my bum

Number two, do a big poo

Number three, go for a wee
Don't drink too much before bed you'll have to go number three in the middle of the night
by Jazpur October 29, 2011
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Rhyming slang for wee or pee (urinate).

Same as 'number two' is rhyming slang for poo.
by StephenSLR August 24, 2011
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Taking a shower immediately after dropping anchor. It's called a number three because it should ALWAYS follow a number two. If you don't agree, then here is what will convince you: If you get poop on your hand and wipe it off with a dry piece of toilet paper YOUR HAND WILL STILL SMELL LIKE POOP! (shock)
Aaron Desselle always goes home from work to take a number three. His butt is clean right now.
by a-diggity June 29, 2004
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ecstasy.

Due to a ranking of drugs. It's still in the works. All drugs have not been tried/ranked yet.

see number two
What are you doing tonight?
About to get me some of that number three.

What are they on right now?
They are hella number threed out!
by Urban Dictionary November 15, 2008
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He said he was going to the restroom for a number three.
by mrhh69 May 12, 2015
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The dreaded third shit of the morning, usually hits as soon as you either take a shower or leave the house.
My god that cheap draft is haunting me now! Number Three came knockin as soon as I walked out the door!

As I was drying off after a hot shower, number three hit with a vengeance not often seen in this universe and I had to dirty my clean arse....goddammitt!!
by Lunicus February 9, 2013
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Mixture of pee and poop - diharreah.
Number one - Pee
Number two - Poop
Number three - Diharreah
by holymoley222 December 22, 2013
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