whaaa Share definition Flag to question some one in a very shocked tone Guy 1 - "dude i just screwed that hot chick, oh wait thats your mom" Guy 2 - "Whaaa??!!??!!" whaaa by JaxXxXx February 28, 2007 0 0 Get merch Get the whaaa mug. Buy Now — $32.95 See more merch