Run A Clinic Share definition Flag A phrase describing a massive beatdown given to any individual. To serve up an ass whoopin' of biblical proportions. "Hey man, if don't get up outta my face, I'm gonna Run A Clinic on your ass!!" Run A Clinic by BNazty December 30, 2011 0 0 Get merch Get the Run A Clinic mug. Buy Now — $32.95 See more merch