Knowledge of something in popular culture is orthagonal to geekiness, knowledge of something obscure boosts your geek score.
I probably get geek points for total ignorance of any shows on TV, I have to rack my brains to come up with even the name of a current show, but if someone quotes "Lost" in conversation, that's not geeky. If they make a "6" with their fingers, look through the hole and say "be seeing you", that's geeky.
On the other hand, if someone quotes some fact that is trivial minutiae about some current popular TV show, that is geeky.
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I probably get geek points for total ignorance of any shows on TV, I have to rack my brains to come up with even the name of a current show, but if someone quotes "Lost" in conversation, that's not geeky. If they make a "6" with their fingers, look through the hole and say "be seeing you", that's geeky.
On the other hand, if someone quotes some fact that is trivial minutiae about some current popular TV show, that is geeky.