A fork of Rural Dictionary
It literally translates as " Fucking Stupid ". It can also be in a joking manner or just a mean insult.
Guy 1: Your a Jerk dude. Guy 2: ¡Eres tu Pinche Mamón! ( You are fucking stupid!)
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.
Random Man: Oh shit it's a Sureño!