uno(the dog) Posted in U Best definition uno(the dog) Uno is Shane DawsonÃ¢ÂÂs dog. Fuck you if you donÃ¢ÂÂt know who he is. Uno(the dog)is fucking adorable. How satisfied are you with the definition? Looking for uno(the dog) meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 15 times.