jeer at

jeer at (someone or something)

To mock, taunt, or scoff at someone or something. Everyone in school jeered at me for wearing a pink sweater. Why don't you contribute some of your own suggestions instead of sitting there jeering at mine?
See also: jeer
Farlex Dictionary of Idioms.

jeer at someone or something

to poke fun at someone; to make rude sounds at someone. Please stop jeering at my cousin! The others just jeered at my idea.
See also: jeer
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • jeer
  • jeer at (someone or something)
  • poke the borax at (someone or something)
  • poke mullock at
  • poke mullock at (someone or something)
  • mullock
  • poke borak at
  • poke borak at (someone or something)
  • borak
  • poke fun at someone/something
References in classic literature
Why, simply, to make fun of an old woman--to deride, to hiss, to jeer at an actress they once worshipped, but whose beauty is faded now and whose voice has lost its former richness.
The Innocents Abroad
I accept, 100 per cent, that fans pay their money and are therefore entitled to shout, boo or jeer at whoever they want.
Hitting boos does no-one any good
FANS of US rockers My Chemical Romance were warned not to jeer at Girls Aloud or they would be kicked out of the audience of a late night music show.
the Razz: Just lay off the boos
That's why I believe it's now time to move on and remember that a boo or a jeer at Dyer is a boo or jeer against Newcastle United.
Dyer may never convince some people