Top definition
"Last night was great, but I have the worst case of the irish flu today."
by Melissa July 10, 2004
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
2
A hangover, usually involving whiskey; may be mild or severe
"I’ve still got a touch of the Irish flu."

"The Irish flu?"

"Also known as a hangover."

(from "A Nose for Murder" by Lee Charles Kelley
by Lee Charles Kelley April 06, 2005
Mug icon

Golden Shower Plush

He's warmer than you think.

Buy the plush
3
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 17, 2009
Mug icon

Golden Shower Plush

He's warmer than you think.

Buy the plush