ringer
Someone who rings, especially a bell ringer.
(mining) A crowbar.
(games) In the game of horseshoes, the event of the horseshoe landing around the pole.
(games) A game of marbles where players attempt to knock each other's marbles out of a ring drawn on the ground.
A ringer T-shirt.
(UK, dialect) A top performer.
(Australia) The champion shearer of a shearing shed.
(Australia) A stockman, a cowboy.
(slang) Any person or thing that is fraudulent; a fake or impostor.
(sport) A person highly proficient at a skill or sport who is brought in, often fraudulently, to supplement a team.
(horse racing) A horse fraudulently entered in a race using the name of another horse.
(UK, slang) A fraudulently cloned (or cut-and-shut) motor vehicle.
A person, animal, or entity which resembles another so closely as to be taken for the other; a look-alike.
(UK, military, informal) An officer having the specified number of rings (denoting rank) on the uniform sleeve.