WTFGAS Share definition Flag Who The Fuck Gives A ShitCommonly used in response to an inane statement or question. Person #1) Did you hear the Obamas got a dog?Person #2) WTFGAS WTFGAS by dennis_the_menace May 22, 2010 0 0 Get merch Get the WTFGAS mug. Buy Now — $32.95 See more merch