Top Definition
something ( phrase, thing, action) that is so fantastic, no! its beyond fantastic that it expands to an explosive state of fantasticness
Roflsub: I need mellow music
JamRocDom:Explosion in the sky
RoflSub:Explosion in the sky that sounds Explostastic...
by Roflsub November 20, 2009
5 Words related to Explostastic

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