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I heard this many times what I was in Australia:

Somewhat inebriated to very drunk
We went to the pub to shoot darts and in the process got pissed up.
by Panchoman Jr. October 29, 2006
Yet another term designating a very high level of inebriation / drunkenness.
Damn, Frank came home all pissed up last night and passed out in his front yard. What an idiot.
by Frank Klaune May 02, 2005