Rosious Share definition Flag metaphor:when somebody shits in their pants and leaves a fat stain, typically in public. person 1: he shit his pants while working and didn't clean it out person 2: oh dude he pulled a Rosious Rosious by Bruce Cullen June 7, 2022 0 0 Get merch Get the Rosious mug. Buy Now — $32.95 See more merch