1 definition by masster debater

Top Definition
the act of urinating on bathroom floors and walls either intentionally or unintentionally; the noun form of the word "to gurnick".
Man 1: dude, i had to piss massively but the bus was moving.
Man 2: so, gurnicking is your thing?
Man 1: ... yeah...
by masster debater February 25, 2011
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