jackrabbit
[ jak-rab-it ]
/ ˈdʒækˌræb ɪt /
adjective
resembling a jack rabbit, as in suddenness or rapidity of movement: The car made a jackrabbit start when the traffic light turned green.
verb (used without object)
to go or start forward with a rapid, sudden movement.
Origin of jackrabbit
First recorded in 1925–30; see origin at
jack rabbit