Barking at the Tuna Share definition Flag The act of vomiting in a womans vagina while performing oral sex. I was so hammered last night that I started barking at the tuna while hooking up with Sally. Barking at the Tuna by yeagerstew March 24, 2008 0 0 Get merch Get the Barking at the Tuna mug. Buy Now — $32.95 See more merch