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A fart with fallout. More than a wet fart. Usually unintended. Begins as gas, but finishes with value added.
His attempt to subtly, quietly relieve his gas pressure ended terribly in a loud atomic fart.
by MTSpacey February 16, 2007
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A very smelly fart and causes people to gasp for air and eventually have to open the windows.
I think someone died in here or someone let loose an atomic fart.
by Brandy May 15, 2004
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The atomic fart is incredibly loud and smells awful too. It also results in a big explosion causing everyone to fall to the ground, suffering the effects of methane poisoning.
Mischevous S just wipeout out that whole city with that atomic fart.
by Coopie June 17, 2005
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