tweak /ˈtwik/ verb
1 : to change (something) slightly in order to improve it : to make small adjustments to (something)
- The company may have to tweak[=adjust] its image.
- Our software developers are tweaking[=fine-tuning] the program.
- We just wanted to tweak his original idea a bit.
2 : to injure (a part of your body) slightly
- He tweaked his ankle playing soccer.
3 : to pinch and pull (something) with a sudden movement
- My brother hates it when our grandmother tweaks his cheek.
4 : to criticize or make fun of (someone or something)
- His friends tweaked[=teased] him for gaining weight.