COAD sun glasses a.k.a Centre of Attention Disorder sun glasses.
Glasses worn by people when they are trying to be inconspicuous, the glasses however make them the centre of attention, as the glasses usually worn are the big type that try to conceal something, usually a black eye.
BJ Cartlidge: Dude why are you wearing COAD sun glasses?
Quasim: Got punched man, black eye is a pain.
BJ Cartlidge: Fuck the glasses man, wear the black eye proud.
Quasim: Nah, I need COAD sun glasses.