Meatgrazer Posted in M Best definition Meatgrazer A Military or Civilian Personnel that is assigned on watching men pee in a cup during a drug test. SGT Calhoun, you are assigned as the Meatgrazer today. Put on your gloves and lets get to work. How satisfied are you with the definition? Looking for Meatgrazer meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 82 times.