OTP

When you chose two people in a fandom to be romantically paired, no matter what gender or sexuality or age or state the characters are. Many people have multiple OTP's.
"Hey, who do you ship in Attack On Titan?"
I ship JeanMarco and EreRi. Those are like my OTP's!
by just_look_at_all_the_otaku_ October 25, 2014
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OTP

OTP stands for On-Time Performance, in train lingo. It refers to the number of times that a given train, or railway company, had late trains.
The OTP is usually given in a percentage value, and refers to the percentage of trains that were "on time". Whether a train is on time or not depends on how long the route is. A train from Toronto to New York City has about 10 minutes leeway, but a train from New York to Florida would have to be about an hour and a half late before it was officially considered "late" in the books.
by That Train Guy March 15, 2009
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OTP

OTP stands for "Over The Pants." It is often used in the context of distinction for a subset of sexual favors - those that are performed "over the pants."
"Sara is so awesome. She gave me an HJ OTP behind the gym yesterday after class. My underwear was stuck to my leg the whole way home."
"Lisa learned in school that you still need to use a prophylactic when giving a BJ OTP."
by noirollorion October 13, 2013
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OTP

by phantomface September 21, 2008
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OTP

A word that is used when you go out with your friends and are "On The Prowl".
This could mean you are just driving around the town, looking for things to do, or walking downtown.
A- "Hey what are we gonna do tonight?"
B- "I don't know. We may just go OTP."
by Tea Treeeeee April 20, 2012
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OTP

Acronym for:

"On The Phone" Used on IM mostly in the work environment.
jcres: hey man, you wanna grab lunch?
osco50: in 5min, OTP
by swaino May 19, 2009
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OTP

mike: what ya upto this weekend bro
pete: OTP!
by N! August 01, 2009
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