hattless_mario Share definition Flag Possibly the weirdest demon this side of the Void. Has more or less 99 lives. Passive aggressive approach to life. One quarter short of a dollar Person 1: what's a Hattless_Mario? Person 2: a Hattless_Mario is a retarded person, like you. hattless_mario by Hattless_Mario April 6, 2017 0 0 Get merch