I bet my bottom dollar that he will arrive late.
bottom dollar
idiomThe last of one's money; all of one's money.
She was so sure the team would win that she bet her bottom dollar on them.
He was willing to bet his bottom dollar that the antique painting was authentic, despite the doubts expressed by the skeptical art experts.
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a day late and a dollar short
Too late and too feeble to achieve the desired effect.
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almighty dollar
The dollar, satirically characterized as a god.
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bet one's bottom dollar
To be absolutely sure of something; to be certain enough of something to wager everything.
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bottom fishing
Buying, or seeking opportunities to buy, investment securities or other valuable properties at a time when markets are depressed and prices are low.
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bottom line
The summary or result; the most important information.
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bottom of the line
The worst or lowest quality on the market, especially among a range of products.
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bottom of the ninth
By extension, any last chance or final opportunity.
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bottom out
Of a vehicle, to touch or drag along the ground or other surface.