phrasal
1. : dance
shaking a leg at junketings and fairs — Siegfried Sassoon
2. : to hurry up : move quickly
if you shake a leg and somebody doesn't get in ahead of you — John Dos Passos
phrasal
1. : dance
shaking a leg at junketings and fairs — Siegfried Sassoon
2. : to hurry up : move quickly
if you shake a leg and somebody doesn't get in ahead of you — John Dos Passos
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012