flush Idiom

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Busted flush

Someone or something that had great potential but ended up a useless failure is a busted flush.

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flush it|flush

v. phr., slang 1. To fail (something). I really flushed it in my math course. 2. interj., used imperatively Expression registering refusal to believe something considered stupid or false. "You expect me to buy that story? Flush it!"

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in the flush of

in the flush of
Also, in the first or full flush of. During a sudden rush of a strong positive feeling regarding something, as in In the first flush of victory he decided to take all his friends to dinner. This expression employs flush in the sense of “a bout of emotion or passion.” [c. 1600]