a particularly nasty smelling fart that lingers in the room for several minutes after being emitted from the anus; flatulence
Evonna has some major swamp gas today! She farted over five minutes ago and I can still smell it!
viết bởi Krazy K 21 Tháng mười hai, 2002
FBI code word for ghosts and/or UFOs
nothing to worry about here, just some swamp gas caused a flare in the atmosphere...
viết bởi somethingplex1 26 Tháng mười hai, 2011
The stinky, uncomfortable farts and shits sometimes suffered after a long night of drinking lots of beer.
viết bởi Leoton 11 Tháng chín, 2010