Acronym for "Fear, Uncertainty, and Doubt." Originally created to refer to smear campaigns used by IBM against competing products to maintain market share -- "Nobody ever got fired for buying IBM." Often used to refer to a marketing campaign centered around the use of scare tactics or ad hominem attacks towards one's competitors.
"The SCO case versus Linux is FUD, plain and simple."
by Anonymous August 5, 2003
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A slightly retarded midget whose facial structure strongly resembles a discombobulated Frankenstein.
Yo u see that nigga over there fucking on that fat shorty? That nigga’s a FUD!
by greaterspringieldmob March 7, 2022
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in the cartoon the sign read: 'cat fud'
by ssalta October 30, 2011
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The illegal starting of grass fires, usually by children.
We were bored and had nothing to do and my friend suggested that we should go fudding.
by savages22 March 14, 2018
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food; Often used as a forced rhyme for "good."
I am Jack's stomach. I digest the fud he consumes to make ATP for his cells to carry out respiration.
by Puchie D November 12, 2002
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Fud is best known as God's younger, slightly more inept nephew.

Contrary to popular belief, he is actually the man who created the mighty Waffle.

Other rumors state he is a scholar, ghetto philosopher, three time Nobel Peace Prize winner, the first black man to pilot an aircraft, the nigga that made up the Nike Swoosh, and the man that made Kool-Aid say "Oooh Yeeah!"

While there are rumors about Fud, proven facts about Fud include his epic fight with the Incredible Hulk and Captain Crunch that split Pangea into the continents we know today, as well as the time he got smoked out by Snoop Dogg and laid down some phat rhymez. While the tapes exist, their whereabouts have never been discovered.

Fud is very popular among members of AMN, two in particular, to whom he is very important folklore
Fud once headbutted three small children through a wall simply to test his might. The verdict: His might was mighty. And the children died.
by PMS & PP November 27, 2005
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"fuck" in a discreet manner as to not get caught immediately by strict s.o.b. assholes who run most jr. high schools
fud< school

to all strict s.o.b. assholes: go fud< yourself
by she who shall not be named August 30, 2006
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