An Atreyu fan is someone who is a fan or admirer of the Hardcore rock/Metal band Atreyu.
Person #1: Did you see hear the new Atreyu cd?

Person #2: Yes, actually I just bought it. I'm such a big Atreyu fan!
by Orangekiwis April 19, 2009
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A man who is extremely fond of other males. See also faggot and homo.
That dude's such an atreyu fan, I bet he loves Evergrey!
by Alex March 7, 2005
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