OTP is "One True Pairing" usually used when pairing two fictional characters, although it is not just used for fictional characters. It is often used for shipping.
by Attack_On_Mockingjay November 27, 2016

by Sasquatchjam June 23, 2016

Stands for One True Pairing. Regards real or fictional people in which you ship more than anyone else. Events in this pairing give you feels unlike you've ever felt before.
by nerd?more_like_smarter_than_u October 28, 2017

by LeeroyDemarion December 13, 2018
