D.A.T. Share definition Flag Adjective that stands for Dumb Ass Thot. Often used towards women. "Girl you nothin' more than a D.A.T." "I got brain from this D.A.T. that looked like RG3" D.A.T. by dubstation January 22, 2014 0 0 Get merch Get the D.A.T. mug. Buy Now — $32.95 See more merch