B.A.T Share definition Flag big ass titties: usually refers to a friends mom that has Voluptuous titties that you wish to caress and titty fuck endlessly a friends mom that qualifies as a milf and a woman with great big titties B.A.T by boss February 13, 2005 0 0 Get merch Get the B.A.T mug. Buy Now — $32.95 See more merch