roll•er•blad•er•ho•sen [roh-ler-bley-der-hoh-zuhn] plural noun
1. Short shorts, possibly leather, probably black, combined with a tight-fitting, logo-sporting T-shirt (often in a color to match the shorts) and, most importantly, the inexplicable presence of knee pads.
“Last night, Devo stripped off their yellow plastic jumpsuits to reveal rollerbladerhosen. Too bad they left the helmets at home.”