TO BET ONE’S EYES, verb. phr. (old).—To look on, but to take no part in, nor bet upon the game.

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  YOU BET, phr. (American).—Be assured! Certainly. [Originally a Californianism to give additional emphasis. It has been given as a name in the form of UBET to a town in the Canadian Northwest.] Oftentimes it is amplified into ‘you bet your boots,’ ‘life,’ ‘bottom dollar,’ and so on. The two former were used in New York and Boston as far back as 1840.

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  1870.  BRET HARTE, Poems, etc., The Tale of a Pony.

        Ah! here comes Rosey’s new turn-out!
Smart! YOU BET YOUR LIFE ’t was that!

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  1872.  S. L. CLEMENS (‘Mark Twain’), Roughing It, ii. ‘The mosquitoes are pretty bad about here, madam!’ ‘YOU BET!’ ‘What did I understand you to say, madam?’ ‘YOU BET!’

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  1885.  STAVELY HILL, From Home to Home, v. We … reached … the settlement of Ubet…. The name … had been selected … from the slang phrase so laconically expressive of ‘you may be pretty sure I will.’

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  1888.  Chicago Daily Inter Ocean, 7 March. Congressional Report. It is the right kind of bravery: you may BET YOUR BOTTOM DOLLAR on that.

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  TO BET ROUND, verb. phr. (racing).—To lay fairly and equally against nearly all the horses in a race, so that no great risk can be run: commonly called getting round (Hotten’).

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