I. ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ noun
Etymology: jitter (I) + bug (I)
1. : a dance in which couples two-step, balance, and twirl in standardized patterns or with vigorous acrobatics originating in Harlem in the 1920s and persisting in many variants through the periods of lindy, swing, boogie-woogie, and bop — compare jazz 2c
2.
a. : one who dances the jitterbug
b. : a devotee of jazz music ; especially : one who sways and gestures in time to jazz music
II. intransitive verb
: to dance the jitterbug