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The pleasant rushing sensation that accompanies epicly powning your enemies.
an 11 kill streak (within a limited time frame) in halo 3 is a killgasm. the feeling that accompanies the p0wnage is the Powngasm. Also occurs in real-life sporting events such as a hole in one in golf or a behind the back goal in lacrosse.
by Element40 December 12, 2008
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