Definition & Meaning of "jobber-jabber"in English

What is the origin of the term "jobber-jabber" and how is it used?

Jobber-jabber is a slang term that appeared in mid-20th-century English as a label for a gay man. The term likely comes from rhyming slang or playful alliteration, with "jobber" and "jabber" chosen for their sound rather than literal meaning, to create a humorous or mocking name. Historically, it was derogatory, used to tease or insult men for their sexuality, and today it remains rare, informal, and offensive, mainly appearing in discussions of vintage slang.