Moon Junkie Share definition Flag A person who would smoke or snort anything. If they figured out how to scrape dust off the moon, he or she would snort that shit too. "That bum just ran off after he got some bills from that rich guy, fucking moon junkie" Moon Junkie by Swaraj March 26, 2008 0 0 Get merch Get the Moon Junkie mug. Buy Now — $32.95 See more merch