jawn-jawny-jawn piece Share definition Flag A slang term used for the male sex organ. Ayo! Yung Trag Brah popped a cap in his jawn-jawny-jawn piece! jawn-jawny-jawn piece by Snooder C April 17, 2007 0 0 Get merch Get the jawn-jawny-jawn piece mug. Buy Now — $32.95 See more merch