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UKshake a leg
/ʃˈeɪk ɐ lˈɛɡ/
/ʃˈeɪk ɐ lˈɛɡ/shake a leg
[SENTENCE]1
said as a way of asking someone to begin doing something or continue doing it faster than before
What is the origin of the idiom "shake a leg" and when to use it?
The idiom "shake a leg" originated in the early 19th century among sailors. In the cramped quarters of a ship, hammocks were used as beds, and when it was time to wake up, sailors would "shake a leg" to swing their legs out of the hammock and begin their day.
Examples
1. C’mon, shake a leg!
2. Let's shake a leg, you guys.
3. Shake a leg!
4. Shake a leg.
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