Woofy Biscuit Share definition Flag Slang for a nicely shaved or trimmed vagina; Biscuit implies it's a tasty one. "Hey bro I gotta go, I got some woofy biscuit waiting at home for me!" Woofy Biscuit by SailorSurprise October 11, 2008 0 0 Get merch Get the Woofy Biscuit mug. Buy Now — $32.95 See more merch