[1] : WordNet (r) 2.0

fart
     n : a reflex that expels intestinal gas through the anus syn: farting,
          flatus, wind, breaking wind
     v : expel intestinal gases through the anus syn: break wind
see also:
farting flatus wind breaking wind break wind 

[2] : Moby Thesaurus II by Grady Ward, 1.0

27 moby thesaurus words for "fart":
   sob, bastard, break wind, bugger, creep, flatulence, flatulency,
   flatuosity, flatus, gas, heel, hood, hooligan, jerk, lay a fart,
   louse, meanie, mother, pill, rat, shit, shithead, shitheel,
   stinkard, stinker, turd, wind

Fart >> F Words
Fart, definition of term: Fart
fart_pag1.html

Old Fart >> O Words
Old Fart, definition of term: Old Fart
old+fart_pag1.html