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.
Semen or ejaculate: inside or outside of organs
Girl: Why is my eye stuck closed?
Random Guy: Because, I stooed in it bitch!
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."
n. short for stupid
"Dude, where's the milk?"
"It's in the fridge, you stoo."
One who is totally amazing and perfect in every way. Usually very modest.
You are so cool and amazing! You are such a Stoos!