• (n.) One who favors a form of government in which the unintelligent populace rules without restraint.
Mob'o·crat noun One who favors a form of government in which the unintelligent populace rules without restraint. Bayne. 
mobocrat 1. A person who advocates government by the mob. 2. A member of a mobocracy. Related 'move, motion' word units: cine-; kine-; mobil-; oscillo-; seismo-; vibro-.