Semi-Mexican Share definition Flag a person who was born in Mexico came back the U.S.A and caught a really white accent and lost all Mexican heritage Semi-Mexican: omg my g-friends needs to stop texting me Mexican: Dude wern't you born in mexico Semi-Mexican by Riko98 March 16, 2009 0 0 Get merch Get the Semi-Mexican mug. Buy Now — $32.95 See more merch