flagging
n.β Β«Investigators say teenage gangs are loosely defined as, βa group a juveniles who form an allegiance, claim a territory, and wear common colors or articles of clothing.β That practice is called βflagging.βΒ» ββGirl Gangs: Shadea’s Story” by Chalonda Roberts WHAM-TV (Rochester, New York) Feb. 20, 2008. (source: Double-Tongued Dictionary)