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Word used to describe something that's beyond sick.
another variation is:
Yo, that new Ghetto Fab joint is Sickalicious
by Dmitry B. December 01, 2003
SO filthy little kids wet their draws when they see it!
Calvin's rims are so sickalicious they make little kids wet their DRAWS WHEN THEY SEE IT!
by BIG C fo shizzle BAby April 04, 2003