The first records of geezer come from around the 1880s. It comes from the word guiser, which refers to a person who performs in a costume (a guise), such as in a street parade. Geezer originated as a term for a man, much like the words chap and fellow, or their modern equivalents, dude and guy.

What does geezer mean in UK slang?

Geezer is a slang term for a man. In the UK, it is used most often to refer simply to a man, e.g. "some geezer was here earlier", and less often as a complimentary phrase, e.g. "he is a proper geezer".

What is geezer in Cockney?

A geezer is just a person, the cockney term for someone who elsewhere might be a bloke, a customer, a character, a cove or a guy, depending on where you're from and who you're with. ... But it is not entirely clear why cockneys should want to call someone a geezer.