When you are masturbating and just as you start cumming, your mother walks in and you start fumbling with your penis like a pineapple as your desperatly trying to hide it
Knock knock sweetie, its just me

ohhh noooo mum stop! Ahhh

Oh dear, i see you have a hawaiian hand grenade, supper will be ready in 10 minutes
by te anau boy April 13, 2015
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The act of taking a shit then proceeding to jizz on it. The bomber then takes the Russian Hand Grenade and lobs it at his partner's face whilst screaming, "Fire in the hole!"
Shane: "Hey were you playing Call of Duty last night?"
Harold: "No I was just throwing Russian Hand Grenades at Kamran."
by Sharpy123 September 12, 2009
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Codenamed: "rabbit killa'" A device of mass destruction engineered and developed by monty python.
Thou shelt lob thy Holy Hand Grenade at the foe, only after the count of 3.
by mad at the world February 28, 2003
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This is when one of your mates has a special ability to "go off" on a mad one and get overly angry or physically violent within a matter of seconds; amongst a group of people participating in an otherwise "Socially Healthy" environment.
For example, maybe a barmaid getting he/she the wrong drink...or having a pop at the "no spray no lay" guy/women in the toilets in Yates (High Wycombe).

Or perhaps, when at an afterparty at somebody's house, he/she decides to cuss someone their hardest down the phone, in front of people he/she has yet to make a "good 1st impression" with....and that you have yet to introduce.

You would expect to use this expression like this:

You: "Sorry about them..he/she is a social hand grenade. Most of the time in public, he/she is fine but it only takes someone to pull the pin and thats it...he/she will go off in your face!"
by Skankin' Jack August 4, 2010
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when a woman is preforming the art of felacio and trys to stick her finger in your ass hole, you shit in her hand, and while she is looking at the shit in her hand you kick her in the back of the head hard enough to make her face hit her shity hand with enough force to make the poop shrapnel atomize and cover a wide area
jessica was sucking freds dick and stuck her finger is his ass....fred shat in that bitchs hand and roundhoused her in the back of the head....there was shit everywhere....stupid bitch wont try that again after that shity hand grenade
by c_mac November 15, 2007
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A skinny Venezuelan girl that you take home drunk, only to find out the next morning that she's butt ugly.
I thought I was so fucking smooth last night, but I must have been wasted because this morning my present was a Venezuelan hand grenade.
by Joe Salone September 21, 2010
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The act, during vaginal intercourse, of swiftly pulling out and promptly inserting a handful of brazilian nuts into the woman's vaginal orifice. You then procede to kick the vagina so as to smash the nuts inside of it, thus spewing forth fragments of nuts, simulating a hand grenade.
Hello, unsuspecting woman. Let us mate so that I may give you a Brazilian Hand Grenade
by punkska1234 September 23, 2008
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