To put your foot down means to strongly assert your authority.
To tell someone in a strong way to do something or not to do something.
- To adopt a firm policy when faced with opposition or disobedience.
1. My mom put her foot down and said that I can’t see my friends before or during exam time.
2. The English teacher put her foot down about plagiarism.
3. When Bobby was drove his car under the influence, I decided to put my foot down.
4. I will have to put my foot down on this matter. There’s no excuse for campus crimes.
announce, command, compel, constrain, decide, declare, demand, determine, dictate, enact, firm, force, lay down the law, oblige, impose, proclaim, rule