job's a good 'un /ˌdʒɒbz ə ˈɡʊd(ə)n/ phrase1 •(UK, informal) Expresses satisfaction that a task has been or will be carried out successfully, often suggesting that the task is simple, or ironically implying that it has been completed in a cursory or slapdash manner.‘The job’s a good ’un. Ahm getting a word put in and it’ll all be fixed up.’ — 1975