bet your bottom dollar

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bet your bottom dollar

Be certain that something will happen (so much so that one would hypothetically risk one's last dollar betting on it). I lost my umbrella, so you can bet your bottom dollar that it will rain tomorrow! Oh, you can bet your bottom dollar that Kevin will be late tonight—he's never on time!
See also: bet, bottom, dollar
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

bet one's bottom dollar

 and bet one's life
Fig. to be quite certain (about something). (A bottom dollar is the last dollar.) I'll be there. You bet your bottom dollar. I bet my bottom dollar you can't swim across the pool. You bet your life I can't swim that far.
See also: bet, bottom, dollar
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

bet your bottom dollar

If you say that you bet your bottom dollar that something will happen or is true, you mean that you are certain that it will happen or that it is true. A police insider was quoted as saying of the crime: `You can bet your bottom dollar Sinclair was involved'. He hasn't passed us and we haven't passed him, but I'd bet my bottom dollar he's around somewhere. Note: This expression refers to the piles of coins on a poker (= gambling game) table. A confident player would bet by pushing a pile of coins to the centre of the table using the bottom dollar, on which all the others were resting.
See also: bet, bottom, dollar
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012

(you can) bet your bottom ˈdollar/your ˈlife (on something/that...)

(informal) (you can) be certain of something: You can bet your bottom dollar that he’ll forget our anniversary.
See also: bet, bottom, dollar, life
Farlex Partner Idioms Dictionary © Farlex 2017

bet one’s bottom dollar

tv. to be very certain of something; to bet in complete certainty of winning. (Need not refer to an actual bet.) I bet my bottom dollar you never ever went to Alaska!
See also: bet, bottom, dollar
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.

bet your bottom dollar

Risk your all your assets. “Bottom dollar” was the last amount of money in a gambling game stake. If you lost it, you were flat-out broke. Therefore, someone who said that you could bet your bottom dollar on something was telling you that it was a certainty. And sometimes it was.
See also: bet, bottom, dollar
Endangered Phrases by Steven D. Price Copyright © 2011 by Steven D. Price
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