An abbreviation that is widely used on the internet, but what does OP mean in slang?
Most Common OP Meaning
OP stands for Original Poster.
Using OP
OP is used in online discussion forums to refer to the person who started a thread.
Example
Yet another meaningless thread from the OP, he’s an idiot.
Alternative OP Meanings
Overpowered (in video games).
Operation.
What Does OP Mean?
Original Poster.