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When a fangirl or fanboy are in more than one fandom, and are fangirling over all of them. Fanvergence isn't too uncommon but is extremely difficult to manage.
"I love The Fault in our Stars, the Mortal Instrument, The Divergent Series, Doctor Who, Harry Potter and..."
"Okay dude, we get it, you're fanvergent,"
by Golden Girl March 15, 2015
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