On Wed, 8 Apr 2015 23:46:06 -0700, Sanity Clause wrote:

What's an "a.o."?

"account of" according to Encarta dictionary.
Or it could be "as of"? (not in Encarta)

Antagonistic Aardvark?

That's "a.a.".

Automated Orangutan?

In a bank?

Apples (+) Oranges?

You may get those when opening an new bank account.