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Meaning of tweak

tweak

Pronunciation: (twēk), [key]
— v.t.
  1. to pinch and pull with a jerk and twist: to tweak someone's ear; to tweak someone's nose.
  2. to pull or pinch the nose of, esp. gently: He tweaked the baby on greeting.
  3. to make a minor adjustment to: to tweak a computer program.
—n.
  1. an act or instance of tweaking; a sharp, twisting pull or jerk.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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