Sisters that piss is the same toilet bowl before flushing.
Hey pisster, wanna pee on my pee?
by Free agent sisters October 13, 2018
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When there is more than one sister, whoever is the pissest is the Pisster Sister, and the less pisster must therefore look after the Pisster Sister.
Sister 1: I'm SOOO wrecked!
Sister 2: Not as wrecked as me!
Sister 1: I SOOO am!
Sister 2: Okay.
Sister 1: Okay?
Sister 2: Okay.
Sister 1: Okay!
Sister 2: So, you're the pisster sister?
Sister 1: I'm th...(falls down, unconscious).
Sister 2: Yeah, ye'are (Sister 1 then proceeds to carry Sister 1 home).
by Sinead April 22, 2005
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An event or happening so funny, you instantly experience bladder failure.
The comedians jokes were pissterically funny
by tenersur January 11, 2014
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The joke Johnny told was so funny that by the time he got to the punch line, I was pissterical.
by Don McKeefery April 6, 2007
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