a stupid way of saying "cool," often said by those who, ironically, want to be "coo". . .DAMMIT!!. . .
by Fatass February 13, 2003

by Lord farkwad April 21, 2008

by meg December 1, 2004

When someone ejaculates into someones anus then that person defacates, the resulting exrement is a mixture of stool and penile discharge (or-poo and cum)called coo.
me-"Holy fuck bro...I banged this chick up the ass last night then I let her 'coo' on my face.
my buddy-That is sooo fucking sweet dude, I wan't 'coo' on my face too!
my buddy-That is sooo fucking sweet dude, I wan't 'coo' on my face too!
by Peter North November 2, 2003

by Justin May 13, 2005

Many may think that the word coo is to make birds sounds, but really it stands for something. the something is cranking,one,out = coo. Another version of the word masterbation
by colman December 14, 2008
