The term 'ONE ___ THE MONEY' is a phrase that is used to describe someone or something that is the perfect choice FOR a particular job or task. It is often used in the context of hiring someone FOR a job, as it implies that the person is the best fit FOR the position. The crossword solutions FOR this phrase are 'ON', which is short FOR 'ON the MONEY'. This phrase is derived from the phrase 'ON target', which means to be accurate or precise.