DWAI Share definition Flag Acronym for "dude went all in". Commonly used in NL poker games when a player goes all in. Pronounced D, W, A, I. Usually an exciting moment. DWAI!! DWAI!! Don: Did you see that?!! DWAI with 2,2!!!! Kevin: Obv. DWAI by Cucci May 23, 2008 0 0 Get merch Get the DWAI mug. Buy Now — $32.95 See more merch