Are you suggesting that you haven't seen that situation occur? I only learned the word last year, but I've definitely seen it happen in real life. I've even seen it used as the situation for sitcoms, which would imply that it's common enough for people to be able to relate to or at least understand.
Does it need its own term? I don't know how you'd gauge that. Clearly there are people who think it does. Enough of them have decided to use it that eventually I learned the word without seeking it out.
No, I've not seen this behavior exclusively displayed by men often enough to warrant gendering the insult.
There are lots of gender stereotypes in sitcoms that are unhealthy. That this particular one is currently en vogue in mass media should tell you that it's exploitative and not actually descriptive.
Two people have a conversation. Sometimes one knows more than the other, sometimes the person that knows less is unaware of that.
I don't think that needs its own term and if it did have a term it absolutely doesn't need to be a gender based insult.