Britannica Dictionary definition of MUD
[noncount]
:
soft, wet dirt
-
He tracked mud into the house.
-
His shoes were covered with mud. = His shoes were caked in/with mud.
-
The car was stuck in the mud.
as clear as mud
informal
:
very difficult to understand
:
not clear at all
drag someone's name through the mud
—
see 1drag
sling/throw mud
chiefly US
:
to publicly say false or bad things about someone (such as a political opponent) in order to harm that person's reputation
—
see also mudslinging
your name is mud
informal
◊ If your name is mud people do not like or trust you.