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1.
when one has to fart but cannot push it out
i have to fart

...

fuck i'm fartstipated
by |\/|477 January 12, 2009
 
2.
adj : have difficult or incomplete or infrequent evacuation of fart gases.

adj: when you have to fart, but nothing comes out.

stomach may become very bloated with methane gas during this time, best solution is to wait it out, beware of stench afterwards.
Damn, I haven't farted in 2 hours, I must be fartstipated.
by alibree March 23, 2005
 
3.
1.when you have to fart but i wont come out.
gosh jessica im so fartstipated today.
by 1023654 October 19, 2008