What is dead ringer?

"Dead ringer" is a phrase used in English with a couple of notable meanings. Below are the different contexts in which it might be used:

1. Idiomatic Expression: The phrase "dead ringer" is commonly used as an idiom to describe someone or something that is an exact duplicate or very close likeness of someone or something else. It often refers to people who look strikingly similar, although it can be used more broadly.

2. Historical Origin: The origin of the phrase is debated, but it is believed to come from horse racing in the 19th century, where a "ringer" was a horse that was fraudulently passed off as another horse, often to manipulate race outcomes. "Dead" was added to emphasize the exact nature of the copy.

3. Cultural References:

   • Film: There is a 1964 thriller film titled "Dead Ringer," starring Bette Davis, which involves themes of mistaken identity and deception.
   • Music: "Dead Ringer for Love" is a popular song by Meat Loaf featuring Cher, from his 1981 album "Dead Ringer."

In general usage, the phrase is versatile but always highlights the idea of an uncanny similarity or mimicry.