jittˈers plural noun

A flustered state (usu with the, esp as in have the jitters to be on edge, nervous or flustered)

jittˈeriness noun

jittˈery adjective

jittˈerbug noun (US)

1. A type of two-step to jazz music, the standard movements allowing for energetic improvisation
2. Someone who performs this dance
3. (in Britain, by misunderstanding or extension) a nervous person, scaremonger or alarmist

intransitive verb

To dance the jitterbug, esp wildly