wisenheimer

plural wisenheimers

1. USinformalA self-assertive and arrogant person; a wiseacre or smart aleck.First known use 20th c.

   One particular striker shorter than Hicks and wearing glasses, ordinarily the daily double of who not to go after, a wisenheimer with a mouth on him, somehow cannot be chased off or brought down.

   2025, Thomas Pynchon, Shadow Ticket, Jonathan Cape, page 32

   2 more examples

   There was an auto salesman in here yesterday that claimed you could always tell a fellow's class by the car he drove, but I says to him, 'Don't be silly,' I says; 'the wisenheimers grab a look at a fellow's nails when they want to tell if he's a tin-horn or a real gent!"'

   1922, Sinclair Lewis, “24”, in Babbitt

   "It wasn’t until I read Mark Oppenheimer’s charming memoir that I had an apt description of my son: “…a smart aleck is a smart guy gone bad, a boy whose smartness is being used stupidly, while a wisenheimer actually lacks wisdom. He might not be cruel, he might not mean harm, but a wisenheimer is a smart guy you wish had a little less smarts.”

   2010, J. Bolton-Fasman, "Debating Salvation: A smart aleck finds his niche" The Jerusalem Post 11/11/2010 On-line, accessed November 13, 2010 (quotations are from Wisenheimer: A Childhood Subject to Debate by Mark Oppenheimer (Hardcover - Apr 13, 2010))

   Synonyms: wise guy, smart aleck, Buddha, clever clogs, clever dick, know-all, know-it-all, smart aleck