Black ___ (high level in karate)

Pigeon's sound3 Metropolitan ride for hire3 The "O" of IOU3 Hooter at night3 Gradually subside, as the tide3 Wipe, as chalk from the blackboard5 "___ Burgers," animated sitcom created by Loren Bouchard4 "Sherlock" and "Doctor Who" airer: Abbr.3