Top Definition
Megafantabulistical is a combination of mega, fantastic, and fabulous. It is one of my favorite words ever. Use it when you can't find the right word to describe something awesome. Carry on the trend!
Girl 1: I won the lottery!
Girl 2: That's megafantabulistical!
#mega #fantastic #fabulous #fantabulous #awesome
by paradise606 July 02, 2012
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