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?
- Operator Indisposed
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What is OI?
OI is Hey
The definition of OI is "Hey".
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 Slang.org and we'll define any acronym you need help with.