| Run with the ball If you pick up/take up the ball and run with it, you take over something started by someone else, especially when they were not able to complete it. 
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| Whale A whale is a serious gambler, a high roller. 
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| Hairy eyeball In AmE to give someone the hairy eyeball is to look at them askance. 
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| Poke one's nose If you poke your nose in or into something, it means you are interfering or too interested in someone else's business. 
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| Throw in the sponge If you throw in the sponge, you give in and admit defeat. 
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| Feel your oats If your are energetic and vigorous, you are feeling your oats. 
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| Ball of chalk If something has gone for a ball of chalk, it has gone terribly wrong. 
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| Shake in your boots If you shake in your boots, you are terrified. (Quake/cower in your boots are also used. You can also shake in your shoes.) 
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| Fill your boots If someone tells you to fill your boots, they mean that you can help yourself to as much as you want of something. 
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| Queer as a three-dollar bill If soething is queer as a three-dollar bill, it is obviously untrue or fake. 
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