verb \ˈtwēk\

: to change (something) slightly in order to improve it : to make small adjustments to (something)

: to injure (a part of your body) slightly

: to pinch and pull (something) with a sudden movement

Full Definition of TWEAK

transitive verb
:  to pinch and pull with a sudden jerk and twist :  twitch <tweaked a bud from the stem>
:  to pinch (a person or a body part) lightly or playfully
:  to make usually small adjustments in or to <tweak the controls>; especially :  fine-tune
a :  annoy, bother <tweaking the establishment>
b :  to criticize especially in a sly or sharp manner
c :  to poke fun at
:  to injure slightly
intransitive verb
:  pull, pluck
:  to make small adjustments
tweak noun

Examples of TWEAK

  1. We just wanted to tweak his original idea a bit.
  2. He tweaked his ankle playing soccer.
  3. My brother hates it when our grandmother tweaks his cheek.

Origin of TWEAK

probably alteration of Middle English twikken to pull sharply, from Old English twiccian to pluck — more at twitch
First Known Use: 1601


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