polari
Polari is a form of cant or slang that developed in Britain, used primarily by gay men in the mid-20th century, but also adopted by some actors, sailors, traders, and other subcultures. It emerged from a mix of sources, including Italian, Romani, Yiddish, and various English and cant slang traditions, and functioned as a coded means of communication in environments where homosexuality could be stigmatized or criminalized. The term Polari refers both to the broader social practice and to the distinctive vocabulary that speakers drew upon.
As a linguistic system, Polari is best described as a lexicon rather than a fully formed language.
Polari declined after the decriminalization of homosexual acts in 1967 and broader social changes, though it