What does OSO mean?

Other Significant Other

OSO

Other definitions of OSO:

All of our slang term and phrase definitions are made possible by our wonderful visitors. If you know of another definition of OSO that should be included here, please let us know.


How to use the term OSO:

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


More slang terms:

RL

RL

Real Life

PHB

PHB

Pointy Haired Boss

ATGATT

ATGATT

All The Gear All The Time