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verb. To try to improve something and end up making it far WORSE in the process. Named after Heidi Montag, whom after plastic surgery, went from an all-American beautiful girl-next-door, to looking like a cheap hooker.
Don't montag that DVD player, its working fine the way it is.
by ForReal345 September 08, 2010
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Slang for hello (greeting), or can be shortened to 'tag' (meaning 'day' in German), can also be used for money,
montag, how are you?

I have no montag! (for I have no money!)
by montag group March 04, 2005
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