Tennis but with grenades instead of tennis balls
You wanna play Grennis?

No thanks, maybe after the world cup
by waqar54 July 5, 2014
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The shortened word for the street "Grenadier Boulevard." The boulevard is actually an alley that runs behind Liberty High School in b-hem pa. It was named after the band that practicing marching on it for 2/3 of the year.
Band director GMac or KLong: "Ok, everyone down to Grenny for a game of follow the drill sergeant.

Stoner Kid: Hey man, wanna toke up with us at lunch? I'm parked down on Grenny.
by Southsidex3life November 1, 2007
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I think I got more hair on my gooch than that Grenny has on his head, he must save a fortune on shampoo.
by GrennyMaster September 6, 2021
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