Get someone's Irish up

Being severely pissed off.

Please don't get my Irish up.

by Saints February 23, 2005

Get someone's Irish up

To cause them to go into a blinding, seething, often-homicidal rage. See also: Infuriate.

Get someone's Irish up: "This mother-fucker is gonna get my Irish up if he doesn't get out of my way!"

by voodooKobra August 3, 2007