gank (v.) Look up gank at Dictionary.com
by 2000 as the verb to describe a situation of many players or NPCs simultaneously attacking one; gamer slang, perhaps borrowed from hip-hop and drug-abuse slang (where it is attested by 1995 in the sense of "to rob, to rip off"); perhaps by 1990 in sports jargon. Of unknown origin; perhaps ultimately based on gang. Related: Ganked; ganking.