What does ONL mean?
Other definitions of ONL:
All of our slang term and phrase definitions are made possible by our wonderful visitors. If you know of another definition of ONL that should be included here, please let us know.
How to use the term ONL:
There are no example uses of ONL at this time. We would greatly appreciate your contribution if you would like to submit your own!
More slang terms:
Massive Multiplayer Online - referring to a computer game that connects sometimes millions of players to an online gaming platform / community.
You Don't Understand me
A derp is a dumbass and a derpina is a girl dumbass.