Dropkick Murphys - Kiss Me, I'm Sh*tfaced (really, nearly anything by them...)
Dr. Demento - F*ck You, I'm Drunk
Flogging Mollys - Drink & Fight
Gordon Parsons - The Pub With No Beer (actually an Aussie)
Spirit Of The West - Home For A Rest (who HASN'T heard this one? Its the 'Backpacker's Anthem')
The Dreadnoughts - Fire Marshall Willy
The Pogues or The Dubliners - Lots to choose from