What does FOS mean?

full of shit



Other definitions of FOS:

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


How to use the term FOS:

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


More slang terms:

YABA

YABA

Yet Another Bloody Acronym

SWAS

SWAS

Said with a smile

BTCHF

BTCHF

Bye, take care, have fun