Region: General | Usage example: She dug in her heels despite requests to compromise.

Dig in your heels

Meaning

Refuse to change your position.

Used when someone stubbornly resists pressure.

Origin notes can vary by region and source; this page gives the commonly reported explanation and usage context.

Horse-riding image of horses kicking to resist direction.

Used in political and negotiation narratives since the 19th century.