coney bun Share definition Flag The practice of lubricating a girl's ass cheeks and then having sex with just the ass crack ala titty fucking. My girl didn't want to have sex so I talked her into letting me coney bun her. coney bun by Godseystyle July 13, 2009 0 0 Get merch Get the coney bun mug. Buy Now — $32.95 See more merch