look up any word, like sapiosexual:
 
1.
Having sex with not one, but two redheads at once. Twins preferred. Basically living out a fantasy of being Hugh Hefner, but with redheads replacing blondes.
Dude, I was in Vegas, I totally had to go Double Irish a the bunny ranch while I was there.
by curtHendzell October 21, 2010
6 4
 
2.
1. Taking two bottles of Baileys and sticking them in your ass and dickhole at the same time.

2. A multinational company (especially one with a heavy foundation of intellectual property) juggling taxes by legal if unscrupulous means.
Eric Schmidt made the news when he successfully enacted a Double Irish and didn't flinch.
by PoE-News October 23, 2010
8 16