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1.
1. piss-itate = irr-itate. when some ones tried to piss you off they are pissitating (just like irritating).

2. piss-itate = piss-(particip)-ate. when your bus pull off for a pee break there's a bunch participating in pee'ing. Like mass urinate.
A bus pulls off at motel, so on boarders can pissitate, 2 minutes later: Stop 'pissitating' man, am already pissed off!!
by _slim_ August 07, 2012
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