| Idiom | Meaning | Example | 
| shake a habit | 
quit a habit, kick a habit
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It's difficult to shake the habits you learn as a child.
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| shake a leg | 
hurry, move it
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Shake a leg or you'll be late for work. Hurry!
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| shake a stick at | 
(See more than you can shake a stick at)
 | 
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| shake hands | 
be friends after a fight, agree the fight is over
 | 
They argue for hours, but they always shake hands afterward.
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| shake him | 
make him nervous, cause him to lose confidence
 | 
Even the divorce didn't shake him. He didn't change at all.
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| shake on it | 
shake hands to show you agree on a price or a deal
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After they agree on a price, they shake on it. It's a deal.
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| shaky ground | 
(See on shaky ground)
 | 
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| shape up | 
improve, reform, get it together
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The coach told us to shape up -   to come to practice on time.
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| shape up or ship out | 
improve your work or go away, if you can't cut it...
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"Soldiers must obey orders," the  officer said. "You will learn to shape up or ship out."
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| shareware | 
computer programs that people share
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Shareware will help us to save money. We'll share software.
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