SYAU

SYAU is an acronym for Step Your Aim Up. Most commonly used in the Call of Duty community as a way to tell a fellow player their aim sucks, or step their game up.

JAMES: Hey Jake 73 hit markers later and that Christmas noon punched you to death.

Jake: CMON MAN WHO THE HELL DOES THAT? THIS GAME IS TERRIBLE. GODDAMN CHEATERS. GIT GUD SCRUBZ!!

James: SYAU Jake, your bad.