The newly found ghetto way to say "sike." Some will say "seh" instead to be different but it's mostly pronounced like "sah." Very popular in Bethlehem and Whitehall, Pennsylvania areas.
Samantha: "Johnny, you're so cute! :)"
*Johnny's about to speak when Melanie jumps in and yells "SA! YOU'RE ANYTHING BUT CUTE!"
Johnny's dreams crashed and burned that day. Poor guy..