Op 

Op. An enemy

Callum is an op don't talk to him

Op by Gayboycamron.m January 29, 2017

OP 

Opening Post. The first post in a topic on an online discussion board, with which the topic is "opened".

- What's the URL?
- Read the OP!

OP by Mr. British July 17, 2006

OP 

Usually 8 year old minecraft slang- can mean over powered.

"Wow, that Salmon is so OP!!!1"
"Ye lad, I can't even rip up grass, that Salmon is sick!!"

OP by KitkatThatsHot July 12, 2016

op 

Aside from meaning Original Poster, "op" can also simply mean "oh" or can be a statement typed after something peculiar has happened, or something that leaves you speechless.

This meaning has been made popular by Tumblr.

Person:"I can hear my parents having sex in the next room."
Also a person: "op"

op by teenmother October 27, 2011

op 

means when someone spilled the tea and u don't know what to say

ambar:"andrea likes Elizabeth"
Norma:"op"

op by andreasuckstitties June 13, 2018

OP 

Some faggot everyone seems to hate.

Author is OP
Author is a faggot

OP by Matthew the Alchemist October 11, 2013

op 

op (overpowered)

Farts are op

op by anonymous December 8, 2020