Zipper Biscut Share definition Flag Zipper Biscut is a slang term for Vagina Normally used in lieu of calling someone a pussy Jesus mark, just call her. Quit acting like such a zipper biscut. Zipper Biscut by BarrytheButcher March 28, 2020 0 0 Get merch Get the Zipper Biscut mug. Buy Now — $32.95 See more merch