Pissmud
Pissmud is a soft slippery aggregate of trodden soil, grass and urine. Usually found around over flowing Porta-loos or chemical toilets at outdoor events such as music festivals.
"Dave slipped up by the porta-loo just as Metallica were coming on stage"
"Now he's got to watch the show covered in Pissmud"
"Now he's got to watch the show covered in Pissmud"