holy crud
holy crap; holy shit
noun
Dirt, filth or refuse.
Crud is caked in the crevices of her jewellery. All of it needs cleaning.
Something of poor quality.
A contemptible person.
Mixed impurities, especially wear and corrosion products in nuclear reactor coolant.
A heavy wet snow on which it is difficult to travel.
verb
To clog with dirt or debris.
The covered cardboard boxes held and the packings in the crates suffered no further crudding.
intj
Non-vulgar interjection expressing annoyance, anxiety, etc.; sugar, darn.
Oh, crud! I'm gonna be late for work!
Aw, crud! I have to start all over again!