Technically a name. Describes a person, usually a girl, as eloquent, smart, vocally and physically appealing, endearing and intellectually capable.
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.
Natalia and Yommel are OTP.
"I love you so much. You're my OTP,"