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1.
A group/gang of people who slap other people who aint with slap gang. It is also where a few people who can rap put up there stuff.
Person 1: Whatchu Mean You Aint With Slapgang.

Person 2: I Aint With Yo Crew.

Person 1: Hell Nah.

*SLAPS*

Person 1: Yeah Bitch get with it or get lost.
by thaaaaaaaaaaakiid January 01, 2011