mongtardary Share definition Flag Mongtardary to act as a mongtard unwittingly or unknowingly. An act of unmeasurable stupidity of a person who is of low IQ. They demonstrated a level of mongtardary never experienced before. mongtardary by Garage Slanger October 25, 2018 0 0 Get merch Get the mongtardary mug. Buy Now — $32.95 See more merch