Nouns

(n)pinch, tweaka squeeze with the fingers

Verbs

(v)tweakpinch or squeeze sharply
(v)pluck, tweak, pull off, pick offpull or pull out sharply“pluck the flowers off the bush”
(v)fine-tune, tweakadjust finely“fine-tune the engine”
(v)tweakto be under the influence of methamphetamine