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3.
A frozen fart cloud
If you farted in sub zero temperatures, the gas would literally freeze in mid air-hence, creating fartcicles!
by tabbles March 15, 2012
 
1.
1-a frozen fart (a la Ren and Stimpy)
i saw a fartcicle at the zoo today
by yak May 07, 2003
 
2.
a puff of expelled brown fart gas that freezes in mid air and forms gas cicles
Look at that fartcicle forming from that guys ass! Wow it's cold!
by srtabbles4 March 31, 2008