A fork of Rural Dictionary
This has quite a few meanings.
1: (My Favourite) SHUT YOUR SHIT!
2: Shoot yourself.
3: Slap yourself.
4: See you soon.
Example for the 1st meaning.
Tim: Dude omg i love cod man.. it's like the best game everr!!! i pr0 snipez omg!!
Simon: Dude, SYS.