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A drinking session. A booze up.

Proverbially, the thing that a particular bad organiser couldn't organise, even if by pure dumb luck he happened to find himself in the place where beer is produced.
Another government IT project's gone pear shaped, seems EDS really couldn't organise a piss-up in a brewery.
by hognoxious August 27, 2007
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Nov 27 Word of the Day
A stupid person; it refers to the lack of surface area on an individual's brain. The general thought is that the more surface area (wrinkles, creases, etc.) a brain has, the smarter the person is. Conversely, a person with a smooth brain (no wrinkles) has less surface area and would therefore be stupid.
That fucking smooth brain put his shirt on backwards again...

That smooth brain is dumber than a pile of shit.
by Tip Tank May 14, 2011
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2
to get pissed, kaylied, blathered, wrecked, to get drunk, origonated from english pissheads and said anywhere where english folk have been, the irish who speak english, and aussies say it aswel. the gaelic would be a shousha. other ways a sayin pissed, kaylied, blathered, drunk, pissed up,

theres the english saying "ya carr organise a piss up in a brewery"
means you can't do shit.
English: yo wanna goo for a pissup, c'mon get kaylied
irish man: Iye les'ave a shousha
cockney: ya gettin brahms n list, arl join ya alwhite.
aussie: ahhhyeah, arrm pissfit alrighte
welshe:ire gonna gert me a pynte
irish man: ahhhhh I dunno where d'fu Iam
aussie: ahhhh me neitha, pissed up
welshe: where the fu am I, who am I
english: now thats a piss up,

by paul hinton May 03, 2006
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3
australian my arse, it's british through and through, involving booze curry and kebabs, and vomit.
eee we had right good piss up last night, 15 pints with a curry, 15 pints in t'club and a kebab for afters, smashing
by Anonymous March 04, 2003
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5
More commonly used in Australia; basically a social gathering or full-blown party intentionally to get drunk. Commonly associated with pisswrecked, pissed, wreckless, drunken, wrecked, fucked.
In the holidays, there was a massive-arse piss-up to celebrate no school. 'Twas well-sick :)
by *Dools* June 06, 2005
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6
the act of doing 10 push-ups right after going pee.
drunk people need to do more push-ups and when you drink you pee a lot!
guy 1: Dude i have to take a fat piss!
guy 2: Dont forget to do your piss-ups
guy 1: im going to be riped by the end of the night!
by DanTheMan2010 July 01, 2010
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