Question

Shake a Leg to hurry up; to go faster; to speed up

Accepted Answer

Shake a leg or you're going to miss the bus. This lively American expression from the late 1800s is an order to someone who is moving too slowly. When you remain still, your legs are motionless. So when somebody tells you to "shake a leg," that's a command to get going. This expression comes from the navy.

Idiom	Shake a Leg
Example	Shake a leg or you're going to miss the bus.
Meaning	to hurry up; to go faster; to speed up
Origin	This lively American expression from the late 1800s is an order to someone who is moving too slowly. When you remain still, your legs are motionless. So when somebody tells you to "shake a leg," that's a command to get going. This expression comes from the navy.

Shake Leg Expression Miss Bus Hurry Faster Speed