"tweaks" in the noun sense
1. pinch, tweak
a squeeze with the fingers
"tweaks" in the verb sense
pinch or squeeze sharply
2. pluck, tweak, pull off, pick off
pull or pull out sharply
"pluck the flowers off the bush"
3. fine-tune, tweak
"fine-tune the engine"
Source: WordNet® (An amazing lexical database of English)
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