Wisenheimer meaning

wīzən-hīmər
(chiefly US, informal) A self-assertive and arrogant person; a know-it-all or smart aleck.
noun
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A smart aleck.
noun
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A wiseacre or wiseguy.
noun
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1
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Origin of wisenheimer

  • wise German -enheimer (in such surnames as Oppenheimer)

    From American Heritage Dictionary of the English Language, 5th Edition

  • wise + German surname suffix -enheimer

    From Wiktionary