Top definition
1. Overpowered
2. Original Poster: The person who begins the selected thread in that particular forum.
1. Demons are OP in this game, nerf them please!
2. The OP is wrong, what we need to do is give birds a buff instead.
by Jack Dos Puntos December 31, 2006
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May 3 Word of the Day
Internet persona(s) who happens to follow you and you happen to follow them back and maintain communication with and have a mutual liking for eachother whether it be friendship wise, etc. (Mutuals if more than one mutual)
Monica: Oh yay! I made a new mutual today because we started following & talking to eachother on twitter and we like eachother (so it seems).
by qtheresurrection March 25, 2015
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2
To inform authority of an action, usually the violation of a rule, that could lead to the person who performed the action getting in trouble. Can also be used to describe a person who is prone to such behavior.
Jeremy is such an op. I tried to cheat on my test, but he opped on me.

Please don’t op, bro. Don’t be a dick.
by FratHouseOnFranklin October 15, 2019
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3
1. n. abrv. Original Poster - The original poster of a forum or imageboard thread
2. n. abrv. Original Post - The first post in a forum or imageboard thread
3. n. abrv. Opening - A common abbreviation for opening, most commonly used in Japan or regarding anime
4. n. abrv. Overpowered - Statement that something is too powerful, usually in a game
1. <someperson>The OP is stupid

2. <someperson> Sauce pl0x
<otherperson> Read the OP, the source torrent is there

3. <someperson> Anyone seen the new Haruhi OP?
<otherperson> yeah it's awesome

4. <someperson> Wow the chaingun is really op
by ajf.me November 29, 2010
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5
Short for Original Poster. Used on online message boards and forums.
The the message the op posted is idiotic.
by Joe December 31, 2003
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6
Comic fan 1: I love Cyborg more than the Martian Manhunter!
Comic fan 2: I agree! Martian Manhunter is too OP in my opinion and his origin doesn't work with the knowledge we have on Mars.
by Daviddv0601 December 31, 2016
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