There's a lot to read into from that response. He's not an expert on colloquialisms but he doesn't think "narc" was coined or perpetuated by slacks-clad young women. To say nothing of her defensiveness, the content of the question itself, which begs further: Who would he narc to?

Hap shakes his head, mustering a bemused smile to try and put her at ease. "No, no. Nothing like that. I find that kind of language refreshing, honestly." If her behaviour is considered out of the ordinary, then he can be a bit weird too. Mutually assured destruction.