rubberlegged Share definition Flag Unsteady on one's legs, usually due to drunkenness. Similar to weak-kneed or jelly-kneed. He got up from the bar with difficulty and headed for the bathroom, rubberlegged. rubberlegged by Cynthia Edwards December 9, 2008 0 0 Get merch Get the rubberlegged mug. Buy Now — $32.95 See more merch