titshelf Share definition Flag A woman with enormous "full beam" breasts has a "titshelf" where food and other debris can collect. The social worker had the biggest tits I'd ever seen. Her "titshelf" was full of chorizo and mozerella. titshelf by Orbs72 May 27, 2016 0 0 Get merch Get the titshelf mug. Buy Now — $32.95 See more merch