Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A child.
  • n. A young person.
  • n. Slang Pal. Used as a term of familiar address: "I said to the girl, rather snootily: 'I have a trade, kiddo. I'm a detective'” ( Ross Macdonald).

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An affectionate moniker for a close friend or pal, especially used as a form of address.

Etymologies

Probably derived from kid, an informal term for child. Appears to be colloquial in United States and Canada. (Wiktionary)

Examples

Comments

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  • I think of my poems as my kiddo, and no doubt but Tennyson felt that way too...

    - Stevie Smith, Novel on Yellow Paper

    February 22, 2009