The phrase in parentheses is explaining that he wants a burger and not to have sexual relations with 5 men. It acts as an “anti” circle like the anti sea bear circle in the SpongeBob episode. So using the phrase to communicate that he wants a burger and not hot steamy man on man on man on man on man on man sex, clarifies to the reader that the author is not gay.

It immediately felt so right that I committed half an hour to really figuring out what this was and how it all worked. Okay to be fair I only kind of know how it all works