nasty grandma Posted in N Best definition nasty grandma When a girl gives a guy head and she doesn’t have any teeth. I took some slut home from bar the other night and we when we got back to her place she took out her chompers and started giving me a nasty grandma. How satisfied are you with the definition? Looking for nasty grandma meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 42 times.