malapoopism Posted in M Best definition malapoopism an act or habit of misusing words ridiculously, esp. by the confusion of words that illustrate that you are full of crap. “All human beings begin their life as feces,” is one of Bush’s most famous malapoopisms. How satisfied are you with the definition? Looking for malapoopism meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 7 times.