WordWeb Online

1. A squeeze with the fingers
   - pinch

1. Pinch or squeeze sharply
    
2. Pull or pull out sharply
   "tweak the flowers off the bush";
   - pluck, pull off, pick off
    
3. Adjust finely
   "tweak the engine";
   - fine-tune

Derived forms: tweaking, tweaks, tweaked

Type of: draw, force, nip, pinch, pull, squeeze, squeezing, tune, tune up, tweet, twinge, twitch

Encyclopedia: Tweak