A Crud

1. (uncountable) Dirt, filth or refuse.
2. (uncountable, figuratively, by extension) Something of poor quality.
3. (countable) A contemptible person.
4. Mixed impurities, especially wear and corrosion products in nuclear reactor coolant.
5. (uncountable, skiing, snowboarding) A heavy wet snow on which it is difficult to travel.
6. (uncountable, euphemistic) Feces; excrement.Synonym: crap
7. (uncountable, slang, US, military and students) Venereal disease, or (by extension) any disease.
8. (uncountable) A fast-paced game, loosely based on billiards or pool, with many players participating at the same time.