Top Definition
A person that goes to extremes in defending their chosen smartphone, software, or console against fans of competing products.
Gary: I love my iPhone!

Jim: Your iPhone sucks! I will come to you in the night and burn your house down, after which I will do horrible things to your person.

Gary: Dude, chill! Don't be a fandamentalist! Your Android is cool too.
by thatonehotterchick August 22, 2011

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