One True Pairing in a work of fiction. Characters that a person thinks work well together.
Sirius and Remus are my OTP.
by Shananagin December 18, 2005
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"Can't chat now I'm otp."
by swiss2012 January 5, 2012
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abbreviation for on the phone. quick response when someone’s calling you and you’re busy.
ryan: want to ft?
sailor: sorry, give me 5 minutes i’m otp
by sailorbeach January 5, 2021
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One True Paring.
Used in fandoms to espress what charaters you ship. (put together romanticly)
"So, do you like CJ and Toby (from the west wing)"

"yea, their my OTP!"
by Erin September 28, 2003
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One true pairing. Usually involving some kind of fandom.
"What's your Glee otp?" "KLAINE IS MY OTP!!"
by KlaineOTP November 5, 2011
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One True Pairing. Meaning the your favorite combination of characters in a fandom.
Harry and Hermione are /so/ OTP.
by erica January 30, 2004
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