by freshdreads May 01, 2010
When you take a dump into a sock and then throw the sock at a person like a grenade. Usually done after consuming lots of spicy food. Not to be confused with the Mexican Mortar.
Monty ate a lot of Taco Bell today so he decided it was an opportune time to throw a Mexican Hand Grenade at Shane.
by Jameson Vandersnatch September 04, 2011
when your fisting someone, whether anal or vaginal, and open your hand like an explosion while your hand is inside them.
chick#1 "Jim gave me a Mexican Hand grenade last night."
chick#2 "really, and how was that?"
chick#1 "interestingly fun."
chick#2 "really, and how was that?"
chick#1 "interestingly fun."
by Mexican with Hand grenades November 28, 2009