Raunchy duke Share definition Flag A smelly and/or annoying person or thing. That crap in the toilet is a raunchy duke. Or that kid who sits at our table is a raunchy duke. Raunchy duke by Mr. bobert basketball 2 March 1, 2012 0 0 Get merch Get the Raunchy duke mug. Buy Now — $32.95 See more merch