Shit Banana Share definition Flag That long, massive, curved, "banana" shaped dump you take when you eat something unsettling. Look at that giant shit banana Paris Hilton left in the bath room stall! She must've eaten some mexican food. Shit Banana by UrbanLady64 July 1, 2011 0 0 Get merch Get the Shit Banana mug. Buy Now — $32.95 See more merch