mack that gash Posted in M Best definition mack that gash an alternative yet ghetto way of saying “woah i wudnt mind a bit of that” man 1: woah look at that gal man 2: woah mack that gash! mack it! mack it! How satisfied are you with the definition? Looking for mack that gash meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 69 times.