What does :-O mean in Internet Slang, SMS, Texting & Chat

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All :-O meanings

What does :-O stand for?

:-O stands for "Surprised look, or yawn"

How to abbreviate "Surprised look, or yawn"?

"Surprised look, or yawn" can be abbreviated as :-O

What is the meaning of :-O abbreviation?

The meaning of :-O abbreviation is "Surprised look, or yawn"

What does :-O mean?

:-O as abbreviation means "Surprised look, or yawn"