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5.
The injecting,smoking,or free basing of any illegal substance.
Mother: Why are you acting so funny?
Ricky: I am pretty sure I just stooed every drug known to man.
by Tim and the boys April 13, 2004
 
1.
Semen or ejaculate: inside or outside of organs
Girl: Why is my eye stuck closed?
Random Guy: Because, I stooed in it bitch!
by Tony1974 August 01, 2007
 
2.
A man's semen while in his genitals or after it's been released.
Friend 1: So what happened with you and that chick last night ?

Friend 2: After I fucked the shit out of her, I started shooting my stoo in her mouth. She tried to pull away so I grabbed her and said "finish all your stoo, bitch."
by juskishi August 04, 2007
 
3.
n. short for stupid
"Dude, where's the milk?"
"It's in the fridge, you stoo."
by analthrasher98 October 16, 2013
 
4.
One who is totally amazing and perfect in every way. Usually very modest.
You are so cool and amazing! You are such a Stoos!
by raiths2s December 14, 2007