uncle sauce Posted in U Best definition uncle sauce When you stick your uncle into a juicer and ejaculate into the juice produced by the juicer and feed it too your cat Mittens and he ejaculates while vomiting into a can. I just love uncle sauce on a Monday morning. How satisfied are you with the definition? Looking for uncle sauce meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 51 times.