napstablook Posted in N Best definition napstablook A lonely and sad ghost from undertale where it’s attacks include: crying, not feeling up to it, and crying upside down to make a hat. Napstablook is so lonely. Poor Napstablook. via giphy How satisfied are you with the definition? Looking for napstablook meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 52 times.