Definition of gang bang in English:

1The successive rape of one person by a group of people.

1. 1.1 A sexual orgy involving changes of partner.
   集体淫乱
   Synonyms

   wild party, debauch, carousal, carouse, revel, revelry, bacchanalia, bacchanal, saturnalia, dionysiacs

2North American An instance of violence involving members of a criminal gang.

1with object (of a group of people) rape (someone).

2as noun gang-bangingNorth American The violent activities of a criminal gang.