"If only Abhishek could shake a leg ... Abhishek's inability to shake a leg was a point made also by Deepa Razdan, who had come to see Refugee on the big screen. 'I just wanted to see Abhishek Bachchan after having seen the promotions. He's a good actor and I think in a couple of years he'll become a bigger star'."
(The Hindustan Times - July 9th, 2000)
Did you know?
Wordwise:
This phrase of naval origin is an alternative to 'show a leg'. This was the order given by naval officers to sailors who they were rousing from sleep. Showing a leg out of the sailor's hammock was required to prove they were awake.
You might use this phrase in a business situation where you feel someone needs to be pushed to action.