nixer noun1 •(Ireland, slang) A job or income which is in addition to one's normal employment, generally done in the evening or on weekends; originally, work for payment that was not declared for taxation, now any work that is not part of one's regular job.'Ciara, you were getting very well paid. Over the odds in fact. And doing the odd nixer is a hell of a lot different from defrauding your employers,' Devlin retorted angrily. — 2000 formsnixers
