verb
tweaks; tweaked; tweaking
[+ obj] to change (something) slightly in order to improve it :to make small adjustments to (something)
to injure (a part of your body) slightly
to pinch and pull (something) with a sudden movement
chiefly US :to criticize or make fun of (someone or something)
noun
plural tweaks
[count] a small change made in order to improve something
a sudden pull or twist that causes a slight injury
an act of pinching or pulling something
US