to pinch or nip with the fingernails

to pick or break off something small using the fingernails, such as flowers or bean sprouts

to cut off or interrupt something, such as a phone call or a light; to suppress or control something or someone

to calculate or count by using the thumb to press different points on the other four fingers

(slang) to fight, quarrel, or struggle against one another

a small amount held between the thumb and another finger

to squeeze tightly with the hand or the space between the thumb and forefinger; to choke or strangle