
Put your foot down
Assertive Tone
Implies establishing authority or enforcing rules, often by a person in charge.

Dad put his foot down about my bedtime; no more late nights.
Not Aggressive
Though firm, it's not hostile or aggressive; it's more of a boundary-setting expression.

The teacher put her foot down about cellphones in class, but she was still polite.
Figurative Speech
This phrase is metaphorical and does not involve physical movement.

When employees asked for less work, the boss put his foot down.
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