What does OSIF mean?

Oh Shit, I Forgot



Other definitions of OSIF:

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


How to use the term OSIF:

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


More slang terms:

IDFTS

IDFTS

I don't f**king think so

SA

SA

Sibling Alert