to lay a nasty fart while showering or outside in huge humidity. results in a giant, disgusting cloud that gets moist and wont go away. second-hand is much worse than first-hand. first-hand even enjoyable to some.
dude 1: yo, what was that noise? sounded like a fog horn
dude 2: oh you know, that was just the D-man passing some big-time gas in the shower. looks like he'll be enjoying a jungle fart.
dude 1: yeah, a bad one, he had mexican food last night!
A Jiggle Fart is when your butt flesh slaps together post-flatulence, producing a moist, meaty clapping sound
As Seth leapt off the couch to answer the door, his cheeks jiggled with such violent enthusiasm that a jiggle fart erupted—wet, slappy, and followed by a sinister puff of air that made the cat leave the room in silent judgment.