Da Sumo Share definition Flag An Obese Woman whose stomach is so big, that it sticks out further than her breasts giving the illusion of a Sumo Wrestler. Don't get me wrong, I love big girls. But she got Da Sumo and it feels like I'm with a dude! Da Sumo by TagisJag August 1, 2011 0 0 Get merch Get the Da Sumo mug. Buy Now — $32.95 See more merch