What does YO mean?

A slang greeting interjection that is used to catch someone's attention, like "hey!".


Other definitions of YO:

  • A short slang interjection that is a greeting, like "hey" or "hi". This simple sound is ubiquitous in many languages and has seen use as early as the 1400s.
  • An acronym that means "years old", and is usually used in text or online conversations.
  • A modification of the possessive term "your".
  • An informal greeting or interjection that is often used as a response to a roll call. Rumored to have originated in the 1900s from "guaglione", which referred to a young man in a Neopolitan Italian accent.

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How to use the term

  • Yo. What's up?

  • Yo! You're stepping on my feet! Back up!

  • The cabinet in the bottom of the picture is 120 y.o., a true antique.

  • Give me yo jacket. It's mad cold.

  • Yo! We're heading to nonna's for supper.


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