flour mixer
noun
1
a Gentile woman. Rhyming slang for 'shixa' (SHIKSE); employed by Jewish Cockneys UK, 1961.
2
a female shop assistant or domestic worker. A nuance of the rhyming slang for a 'Gentile woman' UK, 1977.
3
an inoffensive man, especially one who is a clerk. Extended from the previous senses which are specifically of a woman. UK, 1977