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1.
A condition in which a person experiences crippling stomach cramps, but are unable to take a shit. Will often have you wishing for sweet death and cursing yourself for having those Chili Cheese Fries for lunch. That chocolate milkshake probably didn't help matters either. Can last for several hours or in extreme cases, several days (The Raging Grips). Rest assured, when the bottom drops out though be prepared because shit is about to seriously go down (pun intended). Usually following a case of the grips is a condition called "Shotgun Disorder".
I don't know what the put in that cheeseburger but I've got a case of the grips that'll have you running for cover.
by Rocky Skyline November 04, 2009
 
2.
Confidence that a man has that a woman will not leave or cheat on him.
1: Yo, your girl is talking to some dude.
2: It's cool, I got the grip.
by thecream November 24, 2007