Humdinger

//hʌmˈdɪŋ.ɚ// noun, slang

Definitions

Noun
  1. 1
    Something that is particularly outstanding, unusual, or exceptional. informal

    "Most of the questions were pretty easy, but that last one was a humdinger."

  2. 2
    someone of remarkable excellence wordnet

Etymology

US origin, perhaps a blend of hummer (“something that moves fast”) + dinger (“something outstanding”). First attested in a newspaper article in the Daily Enterprise of June 4, 1883, at Livingston, Montana.

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