Meaning

noun heavy wet snow that is unsuitable for skiing

noun any substance considered disgustingly foul or unpleasant

noun an ill-defined bodily ailment

originEtymology tree Middle English crudde English crud From Middle English crud, crudde (“coagulated milk; curd; any coagulated or thickened substance; dregs”), from Old English crūdan (“to press”). Doublet of curd.

Etymology from Wiktionary, CC BY-SA 3.0