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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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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1) Internet Forums: "Original poster". The creator of the post to which the comment refers.

2) Gaming (both videogaming and tabletop RPG): "Over powered". A character, weapon, ability so strong that the game lacks challenge and becomes mundane.
1) Post: "Hitler was okay, I guess."
Commenter 1: "OMG! That's so offensive!"
Commenter 2: "Stop being butthurt. OP is probably just a troll."

2) Me: "Ugh, this dungeon is so easy! Our team just wiped out that owl-bear with three sneak attacks."
Friend: "Well, it's either because two of us are rouges or because the GM made us OP by having us challenge the harder dungeon first."
by strangescienceraccoon January 06, 2014
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She was so evil that I went OP.
I OP"d her.
by 8trackgto October 08, 2019
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In forum terms, OP refers to the Original Poster. The person who began the thread.
ForumGeek911: So yeh, the OP said you were dumb.
OP: That's right, I did!
ForumGeek911: OMG, He just necroposted.
by Matthew Marvin August 01, 2007
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An acronym in which commenters on MLIA have an infinite amount of definitions. If you ask what it means, be prepared for all the answers you will receive.
Person 1: Do you know what OP means?
Person 2: Yeah, it's Orgasmic Platypus.
Person 3: No, it's OctoPie.
Person 4: Really, it's Original Poster.
Persons 2+3: No, they're just trying to screw with you. Believe us, not them.
by MLIACG February 21, 2010
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