Irish Sick Day

The act of calling in sick to work after a night of getting royaly shit-faced hence the Irish Sick Day aka the Irish vacation day.
I know Tony was fucked up at the club last night he must be pulling the old Irish sick day.
by Mark McNamara July 22, 2008
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Irish Sick Day

Greg - "wake up man you gotta go to work"
Bryce - "nah man I can't it's Irish Sick Day"
by Crap Factory December 09, 2008
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