Top Definition
when you listin to metallica so much and you still love it with every fiber of your being and your penis gets hard but then when you stop listining to it you lose the boner
guy 1: omg dude i was listining to master of puppets today and i got a raging metalliboner

guy 2: ok?

guy 1: yup but then the song ended and it went away....

guy 2: lolz
by metallifannn12345 November 29, 2009

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