when a metal band play soo awsomely that the audience headbang so ferociously that they actually snap off their heads.
boy 1- "hey did u go to that ------ concert last night?"
boy 2- "no why did anything happen"
boy 1- "yea there was a metal massacre at their solo"
boy 2- "oh god u serious"
boy 1- "yea but they were very awsome"
by thespirit July 8, 2009
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