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1 definition by Cattcatow

 
1.
A vulgar way of describing the natural bodily function in which the body releases toxins, such as ammonia and urea, through a hole found in the lower region of the body, the urethra.

Also used to describe annoyance or anger at someone or something.

Can be used to get rid of someone
Yo man, hold up. I gotta take a wicked piss.

Dude, you're really starting to piss me off.

Piss off!
by Cattcatow September 28, 2004