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