gang·bang·er 
(găngbăng′ər)
(găngbăng′ər)n.
1. Slang A member of a violent street gang.
2. Vulgar Slang One who takes part as an aggressor in a gangbang.
- ophthalmo-
- ophthalmologic
- ophthalmological
- ophthalmologically
- ophthalmologist
- ophthalmology
- ophthalmoscope
- ophthalmoscopic
- ophthalmoscopical
- ophthalmoscopy
- -opia
- opiate
- opine
- opinion
- opinionate
- opinionated
- opinionatedly
- opinionative
- opinionatively
- opioid
- opisthobranch
- opisthognathism
- opisthognathous
- opium
- opium poppy