(~s, ~ing, ~ed)
1.
If you ~ something, especially part of someone’s body, you hold it between your finger and thumb and twist it or pull it.
He ~ed Guy’s ear roughly...
VERB: V n
2.
If you ~ something such as a system or a design, you improve it by making a slight change. (INFORMAL)
He expects the system to get even better as the engineers ~ its performance.
VERB: V n
•
Tweak is also a noun.
The camera has undergone only two minor ~s since its introduction.
N-COUNT