twat mosher Share definition Flag huge dike, lesbo, lesbian, queer ass bitch that enjoy partaking in pussy fucking another woman. i.e. rubbing pussies together. Holy shit, look at the fucking twat mosher on the motorcycle! twat mosher by Jo Mammas August 27, 2006 0 0 Get merch Get the twat mosher mug. Buy Now — $32.95 See more merch