Drinking large amounts of beer (Guinness being the obvious choice)more commonly being an Alcoholic or just day to day getting wasted.
by John Has Tits September 05, 2007
"Hey, 'Somewhere over the Rainbow' is playing."
"Sounds like an Irish Drinking Song to me! Bottoms up!"
"Sounds like an Irish Drinking Song to me! Bottoms up!"
by Ja$on December 18, 2008