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
otp, abbreviation for “on the phone” dilapidated when your on a call with someone or facetiming someone; usually a friend or lover.
person 1: Hey were you and insert name otp last night?
person 2: yeah, why?
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!