look up any word, like cunt:
 
1.
espresso sludge, a build up of fine particles of ground espresso.
while making coffee for a million people my shoes were covered in sprudge
by sproducts69 September 11, 2009
 
2.
seman mixed with poop
If you can't get that stain out, it has to be sprudge.
by Fart on my balls April 16, 2008