Dai Uy Share definition Flag Dai Uy = Captain ("Senior Grade Junior Officer") usualy used during the vietnam war (vc term) -I want a full report sgt. Barnes. -You got it dai uy. Dai Uy by RoShoe March 4, 2009 0 0 Get merch Get the Dai Uy mug. Buy Now — $32.95 See more merch
