Jap Johnson Share definition Flag A name for vagina I heard on American Dad. Pretty damn funny if you ask me Francine: "I've been shoving recycled carpet stuffing up my jap johnson to save money and you're spending a fortune on gas?!" Jap Johnson by LedZepBabe January 3, 2010 0 0 Get merch Get the Jap Johnson mug. Buy Now — $32.95 See more merch