What does OCO mean?

Oh, Come On

Other definitions of OCO:

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

How to use the term OCO:

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

More slang terms:


A British slang used to show surprise, discontent, or address a foul person.



Don't Be So Stupid


That face when. Accompanied by an image/GIF which shows reaction to stuff.



A Bird In The Hand Is Worth Two In The Bush