choy choy Share definition Flag A weak drug made from multicoloured berries near the music school. Highly addictive. Mongboy: "Gimme some of your choy choy!" Monkeyboy: "No its my choy choy get your own choy choy!" choy choy by Phaidan October 24, 2006 0 0 Get merch Get the choy choy mug. Buy Now — $32.95 See more merch