It's just a nonspecific, short blond haired gay guy. If we asked if every nonspecific brown haired straight guy was some OTHER person's character/character from a movie/etc, we'd be here all fuckin day.
Shit, look at romantic comedies. All the lead men and women are so fucking similar, it's just the same story over and over.
Almost all guys I've seen sitting with their legs crossed do so by resting their ankle on the opposite knee, not the way girls do it with one knee on top of the other. But it IS possible for guys to do it the girl way -- just, like said, they're either invincible or ball-less.
It was in his head, kinda like when you think back on a conversation and imagine things you could've said. That would've been Dana's reaction had he been less composed and I'm pretty sure that he's imagining himself reacting that way.
You could still imagine it happened and he simply composed himself immediatly after, if you want to. c: