law unto oneself

/L AO1 AH0 N T UW0 W AH0 N S EH0 L F/
noun
  1. 1

    One who flouts the law or conventional wisdom; one who ignores rules or logic to behave according to his or her own standards.

  2. 2

    One who is free from the constraints of law or rules.

  3. 3

    (dated) One who is lawful in the absence of an enforced law; one who behaves with integrity.