1 definition by Matt Friedman

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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