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Abbreviation for Fuck, or Fucking, With Me


See also: FWY or FWU
You can't come over because your car's out of gas?
Are you FWM? (fucking with me)
by Slowpoke330 August 26, 2008
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Disbelief, thinking or knowing someone is lying to you. You better not be lying.
I'll buy your 1970's Pinto for five thousand dollars. You FWM (fuckin wit me).
by Baby Vamp January 29, 2011
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