Toad Whistle Share definition Flag Toad Whistle- an unfortunately wart-laden beef whistle. "Dude, that is one gruesome looking Toad Whistle you're sporting." Toad Whistle by Wil.e.cha0te January 8, 2012 0 0 Get merch Get the Toad Whistle mug. Buy Now — $32.95 See more merch