jitterbug• At the shallow end, with their hair in caps, the girls from Typing did the jitterbug in twos.
Originjitterbug
(1900-2000)jitter“to move quickly and nervously”((1900-2000)) (from jitters) + bug“person with a strong interest in something”((19-21 centuries)); probably invented by the U.S. band leader Cab Calloway