ew dat Share definition Flag when you see someone that you dont know or that you've never seen before, but they're ugly. instead of saying "who dat". you would say "ew dat" whoa... never seen that kid before, didn't even know he existed. he's ugly as hell! ew dat!?!? ew dat by mayacorb June 4, 2007 0 0 Get merch Get the ew dat mug. Buy Now — $32.95 See more merch
