Top Definition
Adjective: Anything relating to the Latin-Funk group Grupo Fantasma; Insanely Awesome; pretty much anything in the affirmative.

Guy 1- This concert will sure be Fantasmalicous!
Guy 2- Fo' Sho'

Girl 1- Vinnie sure is Fantasmalicous.
Girl 2- Fo' Sho'
by El Jazz Hombre December 10, 2009
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