OTP defines One True Pairing, which in turn gives the definition stating that a couple is a favourite couple. That they're meant to be for each other till the end of time. In other words, they are endgame.
by Awesome_one01 May 25, 2018
Get the OTPmug. 
by Chyna_56 November 13, 2016
Get the Otpmug. A short abbreviation for ‘on the phone’. It’s used when you want to talk with someone by call or ft.
by Taniia July 12, 2018
Get the Otpmug.