- jitterbug⇄jitterbug, noun, verb, -bugged,-bugging.
(Informal.) - jitterbug⇄noun 1. a lively dance for couples, featuring rapid twirling movements and acrobatic maneuvers, usually done to swing music. It was especially popular in the 1940's.
2. a person who dances the jitterbug.
3. (Informal:) a jittery person. < - jitterbug⇄v.i. to dance the jitterbug.