Definition of OI

The Meaning of OI

You have found the definitive source for the meaning of OI. This page contains all the definitions of OI, crowd sourced, moderated and curated by real people who care about the true definitions of OI.

The Top Definition of OI

The most popular meaning of OI is: Hey

What Other Meanings of OI Are There?

  1. Operator Indisposed
  2. Add your own definition of OI.

What is OI?

OI is Hey

OI Means

The definition of OI is "Hey".

OI Definition

The meaning of OI

OI means Hey.

Now you understand the definition of OI - OI means "Hey".

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What does OI mean? OI is an acronym, abbreviation or slang word that is explained above. If you ever forget what OI means, just come back to and we'll define any acronym you need help with.

  1. HI - Hello
  2. OZ - Australia
  3. ON - Drunk, high
  4. LI - LinkedIn
  5. OO - over and out
  6. OY - Oh Yeah
  7. OW - Other Woman
  8. OOI - Out Of Interest
  9. OX - Sharp blade
  10. EOI - Expression Of Interest
  1. 313 - Area code for Detroit
  2. A&R - Artists & Repertoire
  3. AGW - All going well
  4. APB - All Points Bulletin
  5. APOD - Another Point Of Discussion
  6. APPT - appointment
  7. ASP - At Some Point
  8. AWGTHTGTATA - Are We Going To Have To Go Through All This Again
  9. AWGTHTGTTA - Are We Going To Have To Go Through This Again
  10. AWLTP - Avoiding Work Like The Plague