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1.
Character in movie, usually male, usually the bad guy, who is sexy in a creepy way.
Liev Schreiber is creepalicious in Scream.
by TMW May 06, 2005
 
2.
Someone who is extremely stalker like, and very annoyingly awkward.
Oh my gosh, that guy is so creepalicious!
by nohat333 April 16, 2010