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A devoted fan of the jam band Phish. Usualy a great person, who likes drugs, Phish and good vibes.
Phishead is to Phish what Deadhead is to the Grateful Dead.
by Dude of Life June 10, 2008
1.) Somebody who is a great fan of the band Phish
2.) Someone who, every chance they get, goes to a concert, or listens to music of phish.
1.) My God my little brother is a total Phishead.
2.)EX of Phishead speaking:: Tonight I'm going to my 89th show!!!
by Dee Nizzle October 16, 2004