kak noun 3verb 1forms 3phrases 1 noun3 •(South-Africa, slang) Rubbish; nonsense. •(South-Africa, slang) Trouble. •A subdivision of currency, equal to one tenth of a Cambodian riel. verb1 •(South-Africa, vulgar) To defecate. formskakked · kakking · kaks Phrases with kak kak onTo shit on; to disparage or harshly criticize.