wisenheimer

also n. Informal
A smart aleck.

[WISE¹ + German -enheimer (in such surnames as Oppenheimer).]

(WY-zen-hy-muhr)
also weisenheimer, noun
A smart aleck.

Etymology
From wise + -enheimer (on the pattern of names such as Guggenheimer or Oppenheimer).

Usage
"By way of background: Kyrgyzstan is an actual nation located in the Western Hemisphere. Or possibly the Eastern Hemisphere. It's definitely in a hemisphere. ... Why are we interested in this? Certainly it is not because we are juvenile wisenheimers who think these names sound funny." — Dave Barry, Kyrgyzstan: Much More Than a Test of Spelling, The Seattle Times, Mar 19, 2001.

"Former Gannett Co. Inc. Chairman Allen H. Neuharth launched USA Today Sept. 15, 1982. Wisenheimer journalists said it looked like a comic book. Tagged it McPaper." — Twenty - And Lovin' It, Editor & Publisher (New York), Sep 16, 2002.

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also weisenheimer

noun

One who is obnoxiously self-assertive and arrogant: malapert, witling. Informal know-it-all, saucebox, smart aleck, smarty, smarty-pants. Slang wiseacre, wisecracker, wise guy. See good/bad.

Note: click on a word meaning below to see its connections and related words.

The noun has one meaning:

Meaning #1: an upstart who makes conceited, sardonic, insolent comments
  Synonyms: wise guy, smart aleck, wiseacre, weisenheimer

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