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25.
OP
Open Pollination
Open Pollination is when a plant is allowed to pollinate openly not under controlled conditions, cleistogamy. Pollination may take place because of bees, wind, insects, or other natural means. Human hands can contribute to open pollination by taking one flower from an OP plant and touching it to the rest of the flowers on the same plant and-or neighboring OP plants. Open Pollination may be used contribute to the biodiversity of a species as it produces more plants with a wide variety of new genetic traits.
1. The cannabis industry in Washington state is an entrepreneur's market right now. It's totally OP.

2. The original plant was an Heirloom from my grandmas greenhouse. Since she gave it to me I've been growing it outside in my garden. It's OP so who knows what might have created since then.

3. I only grow plants that are OP because I don't believe in the proliferation of genetically modified rapeseed.

4. My plants may be OP but my marriage is not!
by NWNorwegian February 01, 2013
 
15.
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"
by teenmother May 30, 2011
 
16.
When a player on fifa ultimate team is extremely over-powered!
David Luiz is really O.P.

Victor Ibarbo is the most O.P.ed
Player in fifa ultimate team
by Hotdogboy69 June 16, 2014
 
17.
op
Short for overpowered
Your fifa team is so op
by mandemting May 18, 2014
 
18.
OP
When a mommy and a daddy love each other very much, and they both have recessive genes, they give birth to something fouler than the meanest monster: an OP, or an original poster, namely of the website MyLifeIsAverage. The OP thanks to the fabled, horrifying "OP gene" steadily becomes a stranger and stranger individual as time goes on, beginning mainly at the age of two. People who hold this gene often tend to gain freakish obsessions with ninjas, unicorns, and fortune cookies. They are physically, often, unable to comprehend correct grammatical knowledge. There is no cure for OPism as of yet, though doctors advise what is playfully referred to as a "vasectomy" as a preventative action.
OP: "Today, I was hanging out on my college campus when I happened across a dinosaur. I rode Ralphie, my new pet dinosaur, into town, where we saw a guy in a banana suit sprinting away from a a guy in a gorilla costume. My professor then shouted "THAT'S WHAT SHE SAID" and received the Best. Highfives. EVER. Ralphie and I rode back outside, making sure not to pass a single crunchy leaf, when happened upon my little brother and my grandfather having a massive pirates versus ninja fight with Nerf weaponry. Best family ever? I think so. Then the Rolling Stone's song "Sad Sad Sad" came on my iPod. It was very ironic. Then we went to Wal-Mart and laughed at Twilight fans. Then, who did we see next you ask? Why only HARRY POTTER! We sang "Goin' Back To Hogwarts" with him 5 million times, and bid him adieu. On our way out of Wal-Mart, we saw Google destroy Yahoo yet again. IT. WAS AWESOME!!!111!5one"

MLIA Commenter: ...'Kay.
by Lorbah July 03, 2010
 
19.
OP
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
 
20.
OP
Some faggot everyone seems to hate.
Author is OP
Author is a faggot
by Matthew the Alchemist October 11, 2013
 
21.
op!
this word is used when there is an awkward silence or if someone says something weird/awkward and you can't think of a response. you just say "OP!"
john: "i take it in the ass"
..........silence........
jane: "OP!"

a group of strangers sitting around in silence
you say: "OP!"

jane: "you're a bitch!"
john: "OP!"
by kkbitch September 06, 2012