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1.
"A Grip" - An large amount of a particular item (ex; time, money, and/or female ass). Originated with hustlers counting their cash with how much would fit between your thumb & index finger (grip). Then it evolved into describing any item of large a value/quantity.
1. That BMW must have cost a grip!
2. It's been a grip since I cruised the shaw.
3. Keisha has a grip of ass!
by Marcellaus April 28, 2006
 
2.
adjective meaning excess or large amounts of.
Fletcher had a grip a' funny money for the strip club.
by rickoshea September 24, 2003
 
3.
a long time
I haven't heard that in a grip.
by JO September 13, 2003
 
4.
a period of two weeks or more
"Say man, I aint seen you in about a grip."
by me you and the rest of us April 09, 2006