Super straight is a sexuality which includes people who are gay and have a piss kink.
A: Hey! What is your sexuality?
B: Oh I am super straight.
A: Great, I too have a piss kink!
Super straight means people who are very gay and have piss kink
A: Hey! What is your sexuality?
B: Oh I am super straight.
A: Great, I too have a piss kink