A mixed drink typically drunk on St. Patrick's Day, made and drunk like so.
1. Fill a pint glass halfway with a stout such as Guiness.
2. Fill two shot glasses, one with Irish cream such as Baileys and one with Irish whiskey such as Jameson and set them both inside the top of the glass so that they wedge against each other.
3. Pull out the shot of Irish whiskey like you would the pin of a hand grenade and down the shot. The shot of Irish cream will fall in to the stout. Down that next.
"Sure do love these Irish Hand Grenades. Just wish it wasn't so fucking awkward."
by Aelle February 6, 2019
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Molotov Cocktail or other Improvised Explosive Device (IED)often used by Irish Nationalists like the Irish Republican Army (IRA).
An Irish Hand Grenade is typically made of inexpensive and available materials, such as glass bottle that breaks upon impact allowing flamable liquids inside to ignite from burning rag sticking out of end of bottle.
by MacanUltaigh January 17, 2009
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While consamating with a women u bust or jizz in your hand and scream "FIRE IN THE HOLE" and then throw the handfull of jizz which looks like a grenade into her face therefore EXPLODING into her eyes
"Dude i nailed Tracy in the face with an Irish Hand Grenade last night"
by Matt Friedman July 31, 2006
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The act of having sex with your own cousin.
Jacob Conklin said "Fuck the cousin rule" and performed an irish hand grenade.
by The_Notorious_Dr_J September 5, 2008
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