dinkum /ˈdɪŋkəm/noun 2adjective 1forms 2 noun2 •(slang, old-fashioned) Truth.You look real jockey — thats' the dinkum. — 1917 •(slang, no longer used) Hard work. adjective1 •(Australia, slang) Genuine, true, honest, on the level.Hon. Sir Ross McLarty: We were always dinkum. Mr. MAY: The ultimate result showed how dinkum the hon. member was. — 1956 formsmore dinkum · most dinkum
