| Idiom | Meaning | Example | 
| that a boy/that a girl | 
good work, well done, 'at a boy,  'at a girl
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Whenever I get a good grade, she says, "That a boy, Reid!"
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| that is that | 
(See and that's that)
 | 
 | 
| that takes the cake | 
that is the strangest or loudest or wildest etc.
 | 
I've seen big pumpkins, but that takes the cake! It's fifty pounds!
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| that'll be the day | 
that will never happen, not on your life
 | 
Me? Wear a ring in my nose? That'll be the day!
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| that'll be the frosty Friday | 
that day will never come, don't hold your breath
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Canada become part of the US? That'll be the frosty Friday!
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| that's a corker | 
that is unusual, that is amazing
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"The baby weighed 12 pounds." "Wow, that's a corker!"
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| that's a crock (of shit) [B] | 
that is not true; bullshit; crap
 | 
A Mustang is faster than a Corvette? That's a crock!
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| that's all she wrote | 
that is the end of the story, there is no more
 | 
At the end of the lesson he said, "And that's all she wrote. Any questions?"
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| that's cool | 
that is good/fine/OK, that is groovy  
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When we gave Fonzie a leather tie, he said, "That's cool."
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| that's his bible | 
that is his rule book, code or main reference
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The Oxford English Dictionary - that's her bible.
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