[identity profile] misuba.livejournal.com 2006-11-13 11:54 pm (UTC)(link)
It really just carries an implication about how cool the speaker thinks he is or is not. What implication? Depends on context. (And the masculine pronoun is intended, thanks)

[identity profile] toonhead-npl.livejournal.com 2006-11-14 12:06 am (UTC)(link)
I agree. Gaydar is one of the cooler superpowers that often come with homosexuality, and I think he just wants to show how with it he is. In fact gaydar is even cooler if you're straight.