/gang"bang'/, Slang.
n. Also, gang bang.
1. a series of acts of often forcible sexual intercourse engaged in by several persons successively with one passive partner.
2. a violent gang fight.
v.i.
3. to participate in a sexual gangbang.
4. to belong to or participate in the activities of a violent street gang.
v.t.
5. to subject to a gangbang.
[1950-55, Amer.; GANG1 + BANG1]
Useful english dictionary. 2012.