An Irish tan occurs when a very pale-skinned Irish person gets too much sun, causing their skin to become even more red and uneven. An Irish tan is not a sunburn; turning red and splotchy is just how some very fair Irish-Americans tan.
My dad thinks he looks good, but that Irish tan is way more red than brown.
by Scottish Irish February 17, 2010
Refers to having most of one's body densely covered in freckles.
She likes showing off her Irish tan by wearing a bikini.
by Blaksnot Thundercheeks November 01, 2015
Red skin on an Irish or light skinned person caused by alcholism.
Paddy O'Neill has a bit of the old Irish tan
by smendle May 13, 2010