1A person who uses the right foot more naturally than the left; a person (especially a sportsperson) whose right foot is stronger or more dexterous than the left.

2A kick executed with the right foot. Also (Association Football): a shot, pass, or clearance made by kicking a ball with the right foot.

3Slang (chiefly depreciative, sometimes considered offensive). A Protestant; (also occasionally) a Roman Catholic. Now somewhat rare.