2 definitions by Robbie Vienna

The ailment one suffers on March 18th after properlyly celebrating St. Patrick's Day. Anyone of Irish descent may also use the term to denote a hangover on any day of the year.
Seamus: Ugh, I was out drinking Guinness until the wee hours. I think I'll call in with the Irish Flu today.
by Robbie Vienna March 18, 2009
Get the Irish Flu mug.
The tendency of Irish men to be endowed like potatoes: shorter than average and very thick.
You should have seen Seamus with his pants down! The potato curse hit him hard!
by Robbie Vienna December 27, 2008
Get the Potato curse mug.