Pot Plato Share definition Flag Someone who begins spouting cheap philosophy whenever they get high. Everyone at the party knew Garrett was a Pot Plato so they ignored him when he started ranting about life's lack of meaning. Pot Plato by CriticalCat420 December 21, 2009 0 0 Get merch Get the Pot Plato mug. Buy Now — $32.95 See more merch