Top Definition
an action used when you or a group of individuals randomly attack someone for no apparent reason. a violent flash mob. reminiscent of the WWE stable The Nexus
dude, joe is going nexus on someone!

dude 2: WHY?
dude 1: I DO NOT KNOW! I THINK HE WEARS DENTURES AND HE JUST WENT OFF!
by mike awesome. October 29, 2010

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