The Meaning of UO
You have found the definitive source for the meaning of UO. This page contains all the definitions of UO, crowd sourced, moderated and curated by real people who care about the true definitions of UO.
The Top Definition of UO
The most popular meaning of UO is: Ultima Online (game)
What Other Meanings of UO Are There?
There are no other definitions for UO at this time. Add your own definition of UO.
What is UO?
UO is Ultima Online (game)
The definition of UO is "Ultima Online (game)".
The meaning of UO
UO means Ultima Online (game).
Now you understand the definition of UO - UO means "Ultima Online (game)".
We're glad to be of assistance. Click here to thank us:
What does UO mean? UO is an acronym, abbreviation or slang word that is explained above. If you ever forget what UO means, just come back to Slang.org and we'll define any acronym you need help with.