OTP Out The Penis - You as a person, is OTP. Everyone around is OTP. You came from male genitalia, therefore, you are OTP.
"I cant wait to be a father of a son that came otp"
Otp means on the phone.
Johnny: you tryna talk otp
Martha: of course, call you in a second!
One True Pairing. When two people belong together, it's usually used with pairings of tv series, books or bands.
JIKOOK is my OTP, they're so cute and meant for each other.