the job is oxo

English

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

(Ireland) Everything is satisfactory; things are fine.
- 2005, Bryan MacMahon, Hero Town, page 131:
  Catch her in an emotional environment and if the chemicals of attraction are correctly and sensitively pestle mixed, the job is oxo.
- 1993, Colbert Kearney, The Consequence, Blackstaff Press, →ISBN, page 277:
  I've no idea what they're going on about - it's all mahogany gaspipe to me - but next thing Brendan tips me the nod and a wink and gives me to understand that the job is oxo.