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wisenheimer

or weis·en·heim·er

[wahy-zuh n-hahy-mer]
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noun Informal.
  1. a wiseacre or smart aleck.
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Origin of wisenheimer

1915–20, Americanism; earlier also wiseheimer, equivalent to wise1 + -(en)heimer, extracted from surnames with this ending
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for wisenheimer

crook, hoodlum, know-it-all, mobster, bigmouth, smarty-pants, wiseacre, wiseass, wisenheimer, criminal, hood, mafioso, wise-ass, smarty, swellhead, smart-ass, malapert, witling