the stuff you clean off your underwear after an uh-oh fart
my god he farted and got his fart paste all over his pants
by kile miner March 11, 2006
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The splattered oily residue left behind after a moist fart, often occuring after a very loose shit. This leads to Chad and might smear further until reaching the Taint or Gooch. Itching and burning may follow soon after, and even sooner after that, a skid mark will occur.
Girl: Dude, my taint is itching like MAD!

Girl2: What happened? Did your bike seat ride too high?

Girl: No, I had a pretty nasty fart before I got on my bike and I think it left a FART PASTE that's kinda spread around my ass and taint and now it itches!

Girl2: *Dies*
by The Moon Truther Furry October 23, 2019
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a shit made into paste then farted on

also known ass sfap
you smell like a shit fart ass paste
or
you smell lika sfap
by crazy_fagot_on_the_internet February 14, 2018
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