1. An expression used to reject a statement given by a person, generally an insult.
2. A come-back, used to explain how one does not care about the situation at hand.
3. The acronym for the phrase "Suck It and Then You'll Know"
Sally: "Kim, your a stupid little cunt!"

Kim: "You can fucking Siatyk, you dumb slut!"
by D331933 February 24, 2009
Get the Siatyk mug.