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1. piss-on
The act of getting intentionally obliterated by alcohol in pursuit of a good time. More thorough than "going out for drinks" - you know damned well you won't be driving home from a proper piss-on.
Girl: "Why did Larry just drop his keys in the fish tank?"

Guy: "He's been looking forward to this party all week - he pegged it as a piss-on on Wednesday!"
by The Evil Steve Aug 5, 2005 add a video
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