OT7

OT7 means 'One True 7'.
It is used for BTS and it is the same thing of OTP (One True Pairing), but for all the 7.

A: Hey, you like BTS too?
B: Yeah, of course.
A: Are you a solo stan?..
B: Nah, ot7.

by AnonymousARMY April 06, 2018