cavernous cave Share definition Flag octomom's vagina. I bit split open twat that you must do circles with your dick to feel any friction. Yo, you going out with who's baby momma...sh!t son, you got yerself a cavernous cave!! cavernous cave by proletariatPete November 26, 2013 0 0 Get merch Get the cavernous cave mug. Buy Now — $32.95 See more merch