Top Definition
little cool place in long island filled with posers, druggies, and preps

guy 1: "hey guy you know that kid from mount sinai"
could go either
guy 2: "yea he tried to sell me some dope, f**kin poser"
guy 2 " yea hes pretty cool"
by lilmcfuknuts April 27, 2008
a mountain made of rock
Wow, look at that mount's made out of rock!
by stupidquestionoftheday July 22, 2008

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