throw up
v. phr.β Β«The women and girls wear gang colors and symbols, “throw up” gang signs with their hands, and help carry the gangβs weaponry. The women are just as dangerous as the men, Beard and Moon say.Β» ββPolice crack down on violence” by Tim Potter Wichita Eagle (Kan.) Mar. 26, 2005. (source: Double-Tongued Dictionary)