South of the Border Shit Share definition Flag The ,shit, following eating really ,spicy, food. Usually very painful shit with lots of burning. Reggie: After eating that shit I'm gonna have a South of the Border Shit man! South of the Border Shit by The fat ass mexican kid July 9, 2011 0 0 Get merch Get the South of the Border Shit mug. Buy Now — $32.95 See more merch