Top Definition
An acronym standing for "Fuck You Dude For Shitting On My Parade". Pronounced " F-eyed-for-somp " and used when frustrated that someone is, in fact, shitting on your parade. See also: shit on your parade, taking the piss, piss in my cornflakes.
Why do you always have to be such a jerk, Tom? I only have one thing to say about you: fydforsomp, asshole. Just let me have a moment of joy!
by TCoss November 15, 2006

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