jitterbug
 n.— «The big holdup job gets messed up by a couple of “jitterbugs” who are assisting on it, the girl turns out a great disappointment, the gunman is rendered a fugitive with a moll and a dog who love him.» —“‘High Sierra’ at the Strand, Considers the Tragic Plight of the Last Gangster” by Bosley Growther New York Times Jan. 25, 1941. (source: Double-Tongued Dictionary)