bite the hand that feeds

bite the hand that feeds (you)

To scorn or poorly treat those on whom you depend or derive benefit. You might not agree with your parents' rules, but be careful about biting the hand that feeds you, because you owe everything you have to them. In politics, if you bite the hand that feeds, benefactors can very quickly crush your political future.
See also: bite, feed, hand, that
Farlex Dictionary of Idioms.

bite the hand that feeds (one)

To repay generosity or kindness with ingratitude and injury.
See also: bite, feed, hand, that
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • bite the hand that feeds (you)
  • bite the hand that feeds one
  • bite the hand that feeds you
  • don't bite the hand that feeds (you)
  • you can catch more flies with honey than you can with vinegar
  • muscle in on (someone or something)
  • the back of (one's) hand
  • back of one's hand
  • laugh (someone or something) to scorn
  • laugh someone or something to scorn
References in periodicals archive
She should not bite the hand that feeds her (aasteen ka saanp)" he told ANI.
Higgins, often known to bite the hand that feeds him, was said to be grinning from ear to ear.
The age-old admonishment never to bite the hand that feeds us is a good-sense reminder not to alienate those we depend on for comfort and security.
Cannon should take heed of the old axiom, "Don't bite the hand that feeds you."
"We can't bite the hand that feeds us," Wasson says.
Bukowski did at times bite the hand that feeds as witnessed by the following New York Quarterly excerpt.
Here is just a little advice from some-one that's been in the game for 28 years: Don't bite the hand that feeds you.
Once again, history has shown that a dog will bite the hand that feeds it.
Religion, like anything else, is not inclined to bite the hand that feeds it.
Do not bite the hand that feeds you, it could be your demise.
In short, will religion--dependent upon government funding--turn around to bite the hand that feeds it?
Although some businesspeople alleged that Clark didn't want to bite the hand that feeds him, Jones, in his own defense, explains, "We want people to come to us because they feel Caner can better serve their needs, not as a blanket appeal.
A dog may be "man's best friend," but may also "bite the hand that feeds it." Or at least bite someone, and the majority of their victims are children.
As for those foreign students who have been lucky enough to find refuge here, is this any way to repay our generosity, you should not bite the hand that feeds you.