Sureño means Southern in English. It is also a gang that involves Mexican-American gangsters that have bald heads and originated in Los Angeles,CA. They wear jerseys that have 13 on it and do not play around. Watch out.
by Dragonverde August 13, 2018

It literally translates as " Fucking Stupid ". It can also be in a joking manner or just a mean insult.
by Dragonverde August 13, 2018
