Top definition
Shut Yo Ass Up, when someone says something you either
1. dont wanna hear.
2. extremely stupid.
<dude> dude, you suck
<guy> your mother sucks
<dude> SYAU!
by NickBeam January 21, 2008
Get the mug
Get a syau mug for your Facebook friend Georges.
3
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.
by Xcruciate May 04, 2016
Get the mug
Get a SYAU mug for your Uncle Bob.
5
A sentence invented by the one and only Trick2g syau means "Shut yo ass up"
Enemy: "ur bad"
you: "syau"
by Htennek73 November 24, 2018
Get the mug
Get a syau mug for your cousin Yasemin.