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The state of being incoherently drunk; near comatose.

Symptoms: general lethargy, slurred or inaudible speech, bodily trauma, unexplained fits of anger, the sudden urge to perform sexual intercourse upon unreasonably large women, getting into extremely life threatening situations (e.g. Falling onto the tracks of the Long Island Railroad), and sudden propensity for singing Irish tunes (Gaelic in the most extreme cases).
He was fucking O'learious when we convinced him to fight the monkey.
by DannyO December 01, 2005
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(adj./adv.) The state of drunkenness that makes people say "I didn't think it was possible to get that wasted." Only a veteran drinker can achieve a state of O'leariousity (O'leariousness is also an acceptable noun form.)
On St. Patrick's Day, Chris went to the bars at 9:00am. When he came back to the house for dinner he was O'learious and put his head through the wall when he tried to tackle Brian.
by Hooper P. December 05, 2005
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