stand your ground

or stand-your-ground

[stand-yer-ground]
adjective Law.
  1. relating to or denoting a legal principle or law that eliminates the duty to retreat by allowing, as a first response, self-defense by deadly force: We’re proud to represent Florida, the first stand your ground state.

Origin of stand your ground

First recorded in 2005
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018