spray mud 

hot burning diarreah. piss from the ass

i at some spoiled meat and had to go spray mud

spray mud by sprA mud July 19, 2003

Spray on mud

Some form of dirt or mud put on an off-road vehicle to imply that it actually was used off-road.

Tommy used spray on mud on his Subaru before the car meet.

Spray on mud by Matt FR January 29, 2018

spray mudd 

to take a very loose dump

Oh my god I have to spray mudd so bad.

spray mudd by Ghost On Ya August 12, 2009