Nutsticle Share definition Flag A new word made up of nuts and testicle combined. Street slang with a smack of medical reference. "Aw, nutsticle" or If you don't back off I am going to give your nutsticles an Oklaholma belt buckle!! Nutsticle by ksnurse June 23, 2009 0 0 Get merch Get the Nutsticle mug. Buy Now — $32.95 See more merch