style of American vocal group music, usually performed acapella or with minimal instrumentation, 1958, from a typical example of the nonsense harmony phrases sung under the vocal lead (this one, doo-wop, being attested from mid-1950s). Compare bebop, scat (n.1).
doorstep
door-stop
door-strip
doorway
door-yard
doo-wop
doozy
dopamine
dope
dopey
doppelganger