Tall and lean with tattoos, a topknot, and white clogs, he zigzagged from kitchen to dining room despite, I later learned, having a bum knee from a rock climbing accident. (bonappetit.com)
He has bum knees, a bum hip, and a wonky shoulder. (sbnation.com)
His lack of goals might be down to the worst season in Wenger history, might be down to a shite team, might be down to a bum knee. (justarsenal.com)