crud
From Longman Dictionary of Contemporary Englishcrudcrud /krʌd/ noun [uncountable] informal UNPLEASANTsomething unpleasant to look at, smell, taste etc I can’t eat this crud! —cruddy adjectiveExamples from the Corpuscrud• She thought of water, which was pure, and then remembered the crud on the bed of the stream.• What's this crud on my seat?• Come on, if she is going to feed us this crud, she could at least get her research right.Origin crud (1900-2000) crud “curd” ((14-20 centuries))