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1 definition by sylvia star

 
1.
1)no
as if
no way

2)can be used in a just kidding sort of way
1)
Girl: "My hair is gorgeous!"
Girl's Sister: "Sike Naw! It's hideous!"

2)
Boy: "I'm giving my Wii away for free!"
Boy's Friend: "For real?"
Boy: "Sike Naw! Your not getting that Wii!"
by sylvia star April 07, 2009