Pronounced:OY-FUM,as per Rule26,It means "Out of Your Fucking Mind".
42 BILLION Dollars?!Are you Oyfm?
by Waboa February 10, 2009
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"Out of your Fucking Mind'
dude 1: you're OYFM bro.
dude 2: I know man, i'm wasted
by splash30 April 6, 2015
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