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• n  someone who thinks he knows everything and refuses to accept advice or information from others

• BIO With a perfect eye for brand positioning, the hyperactive, know-it-all, anything-for-a-trade Jim Cramer has come to personify the tech-fueled bull market he promotes.
• As it stands now, he has come to specialize at beating critics to the punch, perfecting a wry comic persona that manages to parody and deflect the image of the wooden know-it-all .
• Instead of coming across as a condescending know-it-all older sister, PopSugar doles out news and advice like an awesome new best friend.

• know-all

News & Articles

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• Mister Know-It-All : Can I Play Zeppelin for My Kid Instead of Inane Toddler Music?
  You've heard music is good for your kid's brain, but does it matter what tunes you spin? Mister Know-It-All weighs in on the age-old debate: Led Zeppelin or The Wiggles?        
  June 14, 2013 - Wired News
• Who's the worst backseat driver? (Hint: Not the kids)
  There are few things more frustrating as a driver than being nagged by a know-it-all passenger. But who makes the worst backseat (or side-seat) driver?According to a new survey, spouses – whether husbands or wives – top the list, while children are usually the least irritating passengers. That’s something both men and women agree on, according to a poll of 500 drivers by Insurance.com. Read more ...
  June 11, 2013 - MSNBC

Quotes

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• Jonathan Franzen in FOXNews
  Tell me a story,Wallace would ask and Franzen recalled conjuring a "stubborn control freak and know-it-all" ("So are you!"