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2.
A warm beer is when someone urinates profusely into another's mouth. This is usually done after a hot lunch.
To top off her hot lunch I had just given her, I washed it down with a warm beer.
by Sir Portman May 11, 2006
 
1.
-Piss.

or

-Beer that is served the way it shouldn't (Cold).

Either one is disgusting and supposedly tastes bad going down.

See Cold One for the 2nd definition
Lolololol suzie sed she wus thirsty soo i gav her a w4rm beer!

Man, I got served a warm beer after work, that ain't right.
by Ranger Elite March 11, 2006