Top definition
Someone who is very 'Hot' or 'Good Looking', acting in a stupid or unsensible manner.
Terri: The war is out in 'Agfanastan' isnt it?
Paul: No u fuckin Fanbrain it's Afganastan!hahahaha!
by Paul Toland May 20, 2008
Get the mug
Get a Fanbrain mug for your brother José.