Top Definition
It is a mix of both bonerific and fantazmic orginaly thought to be fake words that our now part of daily life:Meaning:Person with a extremley Big Boner, Great, Awsome or HElls Yea.
Girl"WOW Bobby you gave me a bonerific fantazmic time.
Boy"Welcome to my bonerific fantazmic Bedroom"
by TweekBehindTheMask February 15, 2005
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