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Noun: smartypants  'smaa(r)-tee,pants
Usage: informal
  1. Someone being or trying to be irritatingly clever; a smart alec
    "The teacher grew tired of the smartypants always correcting her";
    - bright spark [informal], smart-ass [N. Amer, informal], smart-arse [Brit, Cdn, informal], smarty-boots [Brit, informal], smarty [informal], smartie [informal]

Derived forms: smartypantses

See also: clever clogs [Brit, informal], clever Dick [Brit, informal], smart alec [informal], smart aleck [informal], weisenheimer [US, informal], wiseacre, wisenheimer [US, informal]

Encyclopedia: Smartypants