transitive. To point a finger at (a person) in order to mock, accuse, or otherwise draw attention to him or her; (hence) to accuse, to blame.

Phrases. (a) to bite one's thumbs, as an indication of anger or vexation; (b) to bite the thumb at, as an insult: see bite, v. phrases 2a.

transitive. To insult (a person) by giving him the fig: see fig, n.2

transitive. To twist, pull, or pinch (something) sharply or forcefully; spec. to twist or pull (a part of a person's body, esp. the nose) sharply or…

to make horns at: to hold the fist with two fingers extended like a pair of horns, as an insulting gesture.

transitive. To turn one's back on (a person), esp. as a snub. Now rare (historical in later use).

to snap one's fingers at, to treat with indifference or contempt; to disregard or ignore.

U.S. To get the better of (a person); to deceive, to cheat; to take advantage of. Obsolete. Cf. finger, v. 3c.

To scrape (the ground, boards, etc.) with the feet; to wear off by treading.