give someone the finger

give (one) the finger

1. To raise the middle finger (a rude gesture of anger or displeasure) at one. What are you giving me the finger for, I didn't even say anything insulting! I gave my brother the finger after he said that he'd never seen a worse basketball player than me.
2. To treat one poorly or display contempt for one. Making us sit in the very back row is basically his way of giving us the finger.
See also: finger, give
Farlex Dictionary of Idioms.

give someone the finger

make a gesture with the middle finger raised as an obscene sign of contempt. North American informal
Since 1976 , this gesture has sometimes been called the Rockefeller Gesture after Nelson Rockefeller was seen making it on a news film.
See also: finger, give, someone
Farlex Partner Idioms Dictionary

give someone the finger

1. tv. to display the middle finger upright as a sign of derision. (The gesture is taboo.) Somebody gave the cop the finger.
2. tv. to mistreat someone; to insult someone. You’ve been giving me the finger ever since I started working here. What’s wrong?
See also: finger, give, someone
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • give (one) the finger
  • give somebody the finger
  • give someone/something the finger
  • give the finger
  • flip (one) the bird
  • flip someone the bird
  • flip/give/shoot somebody the bird
  • salute
  • one-finger salute
  • point at