What does ATOP mean?

at time of posting

Other definitions of ATOP:

All of our slang term and phrase definitions are made possible by our wonderful visitors. If you know of another definition of ATOP that should be included here, please let us know. Keep scrolling and fill out the form below!

How to use the term ATOP:

There are no example uses of ATOP at this time. We would greatly appreciate your contribution if you would like to submit your own!