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A one

[ey wuhn] /ˈeɪ ˈwʌn/
noting a vessel regarded by a shipping-classification society as being equipped to the highest standard and with equipment maintained in first-class condition.
Also, A number one. Informal. first-class; excellent; superior:
The meals there are A one.
Also, A-one, A 1, A-1.
Origin of A one
First recorded in 1830-40 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for a-number-one
Historical Examples
  • And she said these was a-number-one beagles, being sure to get a rabbit if one was in the country.

    Somewhere in Red Gap Harry Leon Wilson
  • I got a repertation with the local shipper for havin' a-number-one fruit.

Slang definitions & phrases for a-number-one



Of the highest or best quality; first-class; excellent

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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