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A gender-neutral version of Fangirl/Fanboy.
1. They are such a fanby.

2. Ze is a complete fanby. Zer really love their otps.
by Spongbob July 19, 2014
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2
When someone is obsessed and surrounds their life on one thing, which could be a person, place, or thing.
Melis: The gators are so good!
"What a fanby, she doesn't even like the team.."
by Fanby November 02, 2011
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3
Fanby: the gender neutral variation of fangirl, pronounced like enby
OMG I was totally fanbying over Andrea Gibson's set last night!
by AnxiousAnarchist May 20, 2019
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