I guess that depends on who is doing the spelling. Seems to me that the 80's spelling of it was "sike". This website seems to agree: http://www.inthe80s.com/

I guess that depends on who is doing the spelling. Seems to me that the 80's spelling of it was "sike". This website seems to agree: http://www.inthe80s.com/glossary.shtml http://www.inthe80s.com/glossary.shtml