1 definition by CRAZY CASPER

Top Definition
A Sur Trece gang. Stands for Mexicanos Malditos Sureños 13.
(NOT related to MS 13)
A couple rivals: FUCK newhall 13, brown familia 13, & canyones 13!
BUSTER: Ey homie dont fuck with that Sureño
CHAPETE: Why dog?
BUSTER: Cus he's from Barrio M.M.S.
CHAPETE: Oh shit i heard they dont play games!

Man homie they cant touch us! We come from that big bad sur side gang, straight MMS GANG! All the south west, california to texas.
by CRAZY CASPER April 16, 2008
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