1 definition by Your momma !

Top Definition
Stands for GANG SUPRESSION UNIT. consists of 10 teams of uniformed officers and criminal investigators divided into three functions: Gang Suppression Teams, Graffiti Strike Force and Gang Investigations. The Gang Suppression Teams work 7 days a week citywide patrolling areas where gang crime is most prevelant. The Graffiti Strike Force focuses on emerging tagger groups that transition into criminal street gangs. Investigators in the Gang Unit focus on felony gang crimes committed by gang members and conduct extensive investigations into cases that ultimately remove the most violent gang offenders from our streets.
The homie Guero was on the run from the GSU and got caught up the next day. He's doing 6 months.
by Your momma ! September 25, 2010

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