What does o.O mean?

Question:If someone said, "I made it home finally, in one piece....kinda o.O

What the heck does the o.O mean? Is it something sexual? I'm horrible at this online slang stuff

Answers:
It's suppose to be a face with one squinting eye and one eye wide open.It's saying the person is puzzled.

L0 l0 l0 = 9.50 ?

What does the work pathos mean?

I need some words ending in ss?

What does this idiom mean?

Please tell me the translation, in English, of 'JOOTHA' and 'SUCHA' of hindi?

Branch of tree and part of ship?what is the common word for both of them?

What is the origin of the phrase "Holy Samolies"?

What does this sentence mean?