1. A squeeze with the fingers
   "He gave her nose a playful tweak";
   - pinch

1. Adjust finely
   "tweak the engine";
   - fine-tune
    
2. Pinch or squeeze sharply
   "She tweaked his nose playfully"
    
3. Pull or pull out sharply
   "tweak the flowers off the bush";
   - pluck, pull off, pick off
    
4. To be under the influence of methamphetamine
   "He was tweaking all night"

Derived forms: tweaking, tweaked, tweaks

Type of: draw, get off [informal], nip, pinch, pull, squeeze, squeezing, trip, trip out [informal], tune, tune up, turn on [informal], twitch

Encyclopedia: Tweak