1
general::
Phrase(s): shake a leg
1. to hurry; to move faster. (Often as a command.) • Let’s shake a leg, you guys. We gotta be there in twenty minutes. • She told me to shake a leg, so I hurried the best I could. 2. to dance. • Let’s shake a leg. The music’s great. • Hey, Jill! You wanna shake a leg with me?
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Dance, as in Whenever there was music he was eager to shake a leg. [Colloquial; first half of 1800s] 1. 2. Hurry up, as in Shake a leg or we'll miss the plane. [Colloquial; first half of 1800s]
American Heritage Idioms