Boon Share definition Flag A racial slur used to replace ni**er in public/professional settings. It is used selectively in car dealerships and other businesses of the Upper Midwest, USA. Salesman: “Here comes another boon lookin for a car, probly a roach (poor credit) too.” Boon by Cyclik October 10, 2021 0 0 Get merch Get the Boon mug. Buy Now — $32.95 See more merch