Refers to sacrificing ones self for a friend by taking up company with the ugly friend. Can usually be captured using an iphone application such as iGrenaded. It refers to a solider jumping on a live grenade to save others.
Your friend meets a hot chick hanging out with her not so attractive friend. In order for your friend to hook up you have to hook up with her friend or jump on the grenade.
by Professional Wingman January 16, 2010
A compact device usually filled with peices of metal (called Shrapnel, they explode outward and cut up anything that gets in their way) with gunpowder and fuse. Pulling the pin will result in the grenades explosion within 3 to 5 seconds depending on the fuse length. Most deadly against ground infantry. Also comes in Anti-tank (known as a Sticky Bomb) variety
The pineapple grenade is a very common grenade, used by most countries.
by Someone who was bored September 26, 2007
Jersey Shore Term. The ugly friend that tags along with a smokin' hot chick. In a way she explodes and that affects the friend she's with so she's also a cock block. Really ruins the mood. Makes you feel like you're being closely observed by a gay friend. She can also be the wing-girl. Just in case there's a double-team comin' along.
My friend ended up gettin with a hot chick, while I was stuck with the Grenade.
by Hakrim July 31, 2010
ugly/fat chick out of the group of chicks.
Situation: Looks like we got a situation here.
Pauly D: Yeah we do
Situation: Alright heres the plan, we extract the grenade from that room, put her in a separate room for her to explode (sleep).

Pauly D: Alright then?
Situation: Then we extract the hotties n take em to our room. Sounds like a plan?
Pauly D: Yeah lets do it, GFA!.
by ThatGrenadeSituation September 19, 2010
A grenade is what the fat ugly bitch that is with a group of fine ass women is called. If she gets upset then it "blows up" the time for the rest of the girls in the group or the guys trying to get with them.
Dude go lay on that Grenade for us she is about to get pissy and its gonna fuck it up for all of us!
by Greatest EVR August 18, 2010
A grenade is a fat, ugly chick. This term was believed to be first released on "Jersey Shore", when Mike "The Situation" referred to the best friend of a girl he brought home as a "grenade".
Mike: Dude, I feel bad for Pauly D right now... he needs to entertain the grenade!
by JerseyShoreLover August 10, 2010
An ugly girl of the hot friend. Usually has some unsightly repulsive characteristic such as a large nose, forehead or just plain unnatractive looks.

Gets ignored when out. Has her own male friends hitting on the hotter girl in front of her eyes and behind her back.

Grenades usually end up nowhere in life due to their unnatractive physical characteristics and lack of common sense.
That poor grenade came back to get revenge.
by your name here.., January 27, 2009

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