fo shinja my ninja Share definition Flag "I agree wholeheartedly, my friend of Asian heritage!" A derivative of fo shizzle my nizzle. AzN: I put my pee pee on dat roundeye's hella phat tracks! White Guy: Fo shinja my ninja! fo shinja my ninja by Paraplegic MC October 14, 2003 0 0 Get merch Get the fo shinja my ninja mug. Buy Now — $32.95 See more merch