Fat Powder Share definition Flag adj-A nick name for someone who is extreamly pale, fat and bald. Espically effictive if they have no eyebrows. Root-from the movie Powder. Damn, after the football team shaved his head, he looked like Fat Powder. Fat Powder by JBelson July 1, 2005 0 0 Get merch Get the Fat Powder mug. Buy Now — $32.95 See more merch