When somebody sweats so profusely, there is no need to take a piss because all of the fluids come out of the head as sweat.

"Michael was in so bad of shape, even the most easiest of tasks made him to start pissing out of the head."
by Mr. Heskey September 18, 2005
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a slang term for taking a wizz or urinating
Brian had to pee, so he told everyone that it was time to slap the piss out of the head of the family
by Cramerica Industries January 9, 2007
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