BigOldStone Share definition Flag Meaning a very big rock, very old, typically very dumb. A: Are you BigOldStone? B: How do you know? A: Coz you look very dumb. B: Oof. BigOldStone by ilovebigoldstone:p September 17, 2018 0 0 Get merch Get the BigOldStone mug. Buy Now — $32.95 See more merch