mank /ˈmeɪ̯ŋk/adjective 2noun 1verb 1forms 3 adjective2 •(UK, slang) Disgusting, repulsive.When he eats, he never closes his mouth. It's so mank. •(slang) Synonym of manky (“being or having bad weather”).Antarctica can be dingle, with clear skies, or mank, with nothing of the sort. — 1978 noun1 •(UK, slang) Something that is disgusting or manky.The plumber had to get all the mank out of the drain. verb1 •(no longer used) To mutilate. formsmanked · manking · manks