gangbang

Short definition from Wiktionary

Noun

1. 1
   An act of two or more people having sex with one person who is the focus of the sexual activity.
2. 2
   Synonym of gang rape.
3. 3
   An act of a street gang committing crimes as a group, such as attacking random people on the streets.

Verb

1. 1
   To participate in a gangbang.
2. 2
   To belong to a gang; to commit criminal acts as part of a gang.