night crud

The congestion that's in your throat and nose when you wake up in the morning.

I'll sound more like myself after I get rid of this night crud.

crud on a stick

a phrase to express anger and/or disappointment that is so great that it is beyond words

someone: it’s 2020
me: crud on a stick

crud mud

In a bad position.

You're in some crud mud right now.

crud diddly

Crud diddly is a more PG way of saying the curse word "shit."

Cop: You're under arrest!
Me: What! I haven't done crud diddly!