Insniggle Share definition Flag The act of hiding an object inside of your body to escape detection. Usually performed on behalf of someone else who is in trouble. "Oi mate could you insniggle these drugs for a sec? My parole officer will be around any minute." Insniggle by Aussie60 March 23, 2017 0 0 Get merch Get the Insniggle mug. Buy Now — $32.95 See more merch