put (one's) foot down
To take a firm stand

[TahlilGaran] Dictionary of Contemporary English ▲

put one's foot down
to object to something strongly, to refuse to do something, to refuse to allow something to happen, to take firm action

[TahlilGaran] Dictionary of Contemporary English ▲

put foot down
put (your) foot down
1.
to tell someone in a strong way that they must do something or that they must stop doing something.
You can't just let him do what he wants, you'll have to put your foot down.

When Anna came home drunk one afternoon I decided it was time to put my foot down.

2.
to suddenly increase your speed when you are driving.
The road ahead was clear, so I put my foot down and tried to overtake the car in front.

[TahlilGaran] English Idioms Dictionary ▲

put one's foot down
to object to something strongly, to refuse to do something, to refuse to allow something to happen; to take firm action
My sister finally put her foot down and stopped paying for the gas for her daughter's car.

Our boss put his foot down and did not allow any more money to be spent on company entertainment.

[TahlilGaran] English Idioms Dictionary ▲

put one's foot down
v. phr., informal To take a decided stand; be stubborn in decision.
John didn't want to practice his piano lesson, but his teacher put his foot down.
When it came to smoking pot at parties, our parents put their foot down.

[TahlilGaran] English Idioms Dictionary ▲