gang bang

noun4

1. •
   (vulgar) An orgy, especially a sexual one.

   • This gang-bang speaks more to journalistic groupthink than to any real moral or legal reasoning. — 2005
2. •
   (informal, vulgar) A gang rape.
3. •
   (US, slang) A gang fight.
4. •
   (US, slang) Protecting gang turf, especially when dealing drugs or other black market objects.