Dirty 'ol twat Share definition Flag The female version of a Dirty 'ol Bastard in every sense. I gave that homeless woman $1, then I saw her later with a bottle in a brown bag. godamn dirty 'ol twat! Dirty 'ol twat by backotruck January 6, 2012 0 0 Get merch Get the Dirty 'ol twat mug. Buy Now — $32.95 See more merch