A phrase coined by Metallica. It's logo includes a toilet with a knife sticking out of it.
Reporter- Do you have anything to say to the public?
Dave mustain- METAL UP YOUR ASS!!!
*Cut to metallica cheering and flipping off the camera*
by Nighthawk41 May 28, 2008

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Top Definition
A term used to insult people who like the music of an inferior genre such as punk or emo. This phrase is directed at the person who the user is talking to, not the user themself. Metal may not be replaced in this phrase by an inferior muscial genre.
Metal up your ass you fucking cunt
by metal kid May 11, 2005

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(Reffering to people who don't like metal.) One gets overwhelmed with metal until they bow down before the masters.
Jon - I think metal is stupid, all there is to it is just noise and screaming.
James - Metal up your ass faggot!!!! You have no idea what your talking about, and no idea what metal is, or any clue as to what it's all about. Fuck you and fuck your opinion cuz you are fucking gay!!!!
by creeping_jon May 03, 2003

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Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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