look up any word, like dirty sanchez:
 
1.
Something You Should Know. To be used instead of FYI. (Sometimes FYI can mean F*ck You, Idiot)
SYSK - The accepted your proposal.
by Onedee Tentee May 02, 2005
 
2.
Someone that is perfect and that everyone wants to be. But no one will reach that perfection ...
omfg how does this lil sysk get all the chix
by sysk January 11, 2005