Rono Share definition Flag 1. someone who is in the closet on gay island 2. the official bug man of a tennis team 1. watch out for that kid - he's such a rono. 2. got bugs? use rono. Rono by bugwiper37 March 19, 2009 0 0 Get merch Get the Rono mug. Buy Now — $32.95 See more merch