downright upright Share definition Flag downright upright is how a standing naked dude's boner looks - flat against his abs and pointing to the ceiling. Every time I sniff Matt's cummy jockstraps, I get downright upright! downright upright by USAF Cadet March 7, 2021 0 0 Get merch Get the downright upright mug. Buy Now — $32.95 See more merch