swamp guts 

the source of miasmic flatulence

"Better stand down wind from her. Whatever she had for lunch has given her a bad case of swamp guts".

swamp guts by Pope Innocent the Third March 2, 2004

swampnuts 

The condition associated with posessing a really sweaty ballsack.

As if the vinyl seat and the lie detector hooked to my arm weren't cause enough for swampnuts, the detective also closed all the windows and brought in a space heater.

swampnuts by Spitty in the City June 20, 2008