The term 'Three Strikes' is a phrase used in the United States to refer to a law that requires a person convicted of three felonies to be sentenced to a mandatory minimum of 25 years in prison. The phrase originates from baseball, where a batter is allowed three strikes before they are OUT. This phrase has been adopted by many states in the US as a way to deter crime and increase public safety. The crossword solution for this term is OUT.