Drinking large amounts of beer (Guinness being the obvious choice)more commonly being an Alcoholic or just day to day getting wasted.
And just like James, I'll be drinking Irish tonight
by John Has Tits September 5, 2007
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"Hey, 'Somewhere over the Rainbow' is playing."

"Sounds like an Irish Drinking Song to me! Bottoms up!"
by Ja$on December 18, 2008
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