A group of young citizens, usually poor minority males, who group together for protection, a way to make money, and sometimes to fight other gangs. Usually gangs consist of drug dealers, pimps, thugs, etc. Usually gangs wear similar colors or a bandanna, rolled up a pant leg etc. to recognize others in their gang. rich white/ black try to dress like gang members/rappers that where gang members by wearing loose clothing, big sweaters, nike shoes, bandannas on their heads or in their back pockets, and big chains with pendants.
A group of close people that run in a pack. Usually once your in a gang and past the initiation, you'll only escape the gang thru death. Gangs represent themselves with certain colors, hand signs, symbols, and clothing. Commit violent acts against betrayers and members of rival gangs. ex: Drive-by shootings (even if its a rival's momma's house), fighting, knife-fights, shoot-outs, etc. Also can be vandilists to homes, public places, etc. leaving their gang symbol to "represent" or as a calling-card to a rival.
Crips and tha bloods. 2 of the most violent and feared gangs in America. #1 city they reside in: Los Angeles.