Self-Retardation Share definition Flag The act of of making unintelligent decisions redundantly causing a self-inflicted retardation. "Josh wasn't born mentally handicap, he suffers from self-retardation for repeatedly seeing girls illegally." Self-Retardation by jbiddle August 24, 2011 0 0 Get merch Get the Self-Retardation mug. Buy Now — $32.95 See more merch