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A portmanteau of Nub (n00b) and Nebula. It is a term used by online gamers or at LAN parties used to described the pile of defeated enemies created when a single player or team defeats a large number of foes.
My buddy and I were spawn camping on Halo Reach, and there must have been 15 bodies in the nubula we made.
by Walter Thornburgh January 13, 2011