crock

nouns

a black colloidal substance consisting wholly or principally of amorphous carbon and used to make pigments and ink
nonsense; foolish talk
"that's a crock"
is a type of (narrower)
a message that seems to convey no meaning
an earthen jar (made of baked clay)

verbs

release color when rubbed, of badly dyed fabric
is a type of (narrower)
be diffused
"These dyes and colors are guaranteed not to run"
soil with or as with crock
is a type of (narrower)
make soiled, filthy, or dirty
"don't soil your clothes when you play outside!"