1. Statements or beliefs that are untrue or make no sense
   "He dismissed the conspiracy theory as pure cack";
   - bunk [informal], bunkum [informal], buncombe [informal], guff [informal], rot [informal], hogwash [informal], flapdoodle [N. Amer, informal], Irish bull [slang], rhubarb [Brit, informal], bilge [informal], junk [informal], bull [slang], nonsense, jive [N. Amer, informal], bushwah [N. Amer, informal], bushwa [N. Amer, informal], folderol, rubbish [informal], tripe [informal], trumpery [archaic], trash [informal], wish-wash [informal], applesauce [N. Amer, informal], codswallop [Brit, informal], falderal, drivel, garbage
    
2. Obscene term for faeces
   "The dog left a cack on the neighbour's lawn";

Derived forms: cacks

Type of: BM, content, dejection, faecal matter [Brit, Cdn], faeces [Brit, Cdn], fecal matter [N. Amer], feces [N. Amer], message, ordure, stool, subject matter, substance

Encyclopedia: Cack