To get irish is to get drunk....follows the sterotypical drunk irishman...
Me and my friends are getting irish tonight
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1. Drinking to excess
(This phrase is to be distinguished from get someone's Irish up.)
You really tend to get your Irish on when you drink at O'malley's.
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To cause them to go into a blinding, seething, often-homicidal rage. See also: Infuriate.
Get someone's Irish up: "This mother-fucker is gonna get my Irish up if he doesn't get out of my way!"
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