What does AUO mean?
I don't know
Other definitions of AUO:
All of our slang term and phrase definitions are made possible by our wonderful visitors. If you know of another definition of AUO that should be included here, please let us know.
How to use the term AUO:
There are no example uses of AUO at this time. We would greatly appreciate your contribution if you would like to submit your own!
More slang terms:

GHTWHT
God helps those who help themselves

NETHIN
anything

YANNO
You Know

WPYS
Who Pulled Your String