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1.
Acronym for 'You Are Fucking Me Again'. Used as an imperative when the user has discovered some real or perceived woe exacted upon them by another.

Originates from military vernacular, but has proliferated into some civilian circles.
Joe - "Ed, I just told our section manager about how you surf porn on your terminal at lunchtime."

Ed - "Yafma."
by Kitten Huffer Extrordinaire February 24, 2008

Words related to yafma

again backstabber disgust fucking me