smart aleck

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Aleck is a nickname for Alexander. The phrase "smart aleck" is possibly derived from the name Aleck Hoag, a 19th century con man and thief.


smart aleck ‎(plural smart alecks)

  1. One who is given to obnoxious or insolent humor; a wise guy.
  2. One who is pretentious about their own cleverness or knowledge; a know-it-all.
  3. One who is obnoxiously self-assured; a show off.
  4. (rare) A well-dressed person.


Derived terms[edit]