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1.
Not a True Fan

Active: an insult when calling bullshit about a level of fandom, used to call out a poser/noob/rookie/padawan

Passive: a point of preference to indicate you don't really like something
Active:

Customer: Sure I like Star Trek. Boba Fett is my favorite character.

Comic Shop Clerk: N.A.T.F.! (while pointing)

Passive:

Guy who's Music taste you used to respect: Hey man, Pearl Jam is coming to town soon, wanna get tickets?

You: Meh, N.A.T.F.
by Rocker Tycoon April 08, 2012