What does SMO mean?
Many (maybe 60) years ago, there was a small white cartoon character that I believe was called a Smo. Not sure which cartoon the Smo was in, but it might have been "Andy Capp." There are many gaps in my memory, but maybe my clues will lead to an answer.
Other definitions of SMO:
Serious Mode On
Shut me out
All of our slang term and phrase definitions are made possible by our wonderful visitors. If you know of another definition of SMO that should be included here, please let us know. Keep scrolling and fill out the form below!
How to use the term SMO:
you're just trying to ( shut me out)