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this stands for Yeah Im Mother Fucking Metal
person 1: 'hey man are u metal?'

person 2: 'YIMFM'
by metal_man666 May 21, 2009
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Aug 7 Word of the Day
A person or people that purposefully causes chaos or mischief within a group for the sake of entertainment.
Yo! She just outed Brian and left. She's such a fucking chaos agent.
via giphy
by Starquti September 05, 2020
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