1. cack - Noun
2. cack - Verb
To ease the body by stool; to go to stool.
Source: Webster's dictionaryThe purpose of this lectchoor is to let you know where we are. We are in the deep cack. It couldn't be worse if it was raining arseholes. Any questions? Terry Pratchett
They huddled on the ugly concrete near the bike cage, accompanied by the overripe scent of banana skins and spilt Cack. Source: Internet