If you’ve gotten to the point of having an real OTP you’re probably in agony so really the /real/ meaning of OTP is ‘oh, the pain’ and I stand by it.
John and Sherlock are my OTP so I’m really dying on the inside
The short version for ‘one true pairing’. A couple, who in your opinion, look really cute together and are destined for each other.
Sam: Have you seen Riley and Kennedy? They look so cute together!
Alex: They’re the otp couple.
Sam: Yeah, they are the one true pairing.
pretty much my definition of OTP is mike and 11 from stranger things... the acronym otp means one true pairing.
Only To Play
Used in League of legends, otp can be used by people who play only one character : "Yasuo otp"; a player who only play yasuo.
One-trick pony.
A person or thing with only one special feature, talent, or area of expertise.
If you can only play Roadhog, you're an otp