Shaking a leg and Speed up

Speed up and shaking a leg are semantically related. in hurry topic. In some cases you can use "Speed up" instead a verb phrase "Shaking a leg", when it comes to topics like act.

Speed up verb - To cause to move or proceed fast or faster.

Shaking a leg and speed up are semantically related. Sometimes you can use "Shaking a leg" instead a verb "Speed up".