A cycle of catching, suffering from, and passing along any manner of seasonal illnesses, viruses (cold, flu, swine flu, etc.), or whatever “crud that’s going around”, among the same group of people, usually among family households or small groups of co-workers. Anywhere from 1-4 consecutive games of Crud Tag can be played.
Employee: Yeah I think I got what my my wife and kid just got over, so I’ll try to come in later.
Supervisor: Late?! STAY HOME until you’re better for Chrissakes! Don’t bring your game of Crud Tag into the office!
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.
A piece of crap that is shaped like a Bagel that Denny Nagel would eat at a table.
Too bad Denny's not here to eat this crud bagel. It really smells like crap!
M: Is that an everything bagel?
F: Na, its a crud bagel.
M: O great, that means Denny's on his way over
The stuff in Donald Trumps ass after a gangbang on the streets of Russia
Man what's that smell is that street crud? Nah man I ain't got that shit Donald does up his ass.
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!