intoxicating ones self with both alchol and marijuana, conjoin the word pissed and lean.
john drank all day then spoked a phat spliff, he was plean as a motherfucker!
by bruuuk May 6, 2007
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When guys try to pee on the side of the toilet bowl with extra strength as an attempt to clean it
1: Did you accidentally open the door while Johnny was inside?
2: Yeah, he was doing a classic Plean, but sitting down.
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