There are several registered cases of coded verbal languages emerging to enable elements of specific groups to communicate between each other without risk of being understood by outside parties.
Jamaican patoá is easy to identify as an example. The grammatical structure and speech speed creates a barrier for outsiders. Add a very plastic use of words and you have a very hard to follow “code”.
In the 60/70’s, in Greece, a private language emerged between gay men to enable those people, often persecuted, to communicate. It steadilly disappeared as social acceptance rose.
The cockney rimed slang is thought to have arised out of the need of the house staff to be able to freely speak between themselves in front of the employers with no concern from reprimands.
There are several registered cases of coded verbal languages emerging to enable elements of specific groups to communicate between each other without risk of being understood by outside parties.
Jamaican patoá is easy to identify as an example. The grammatical structure and speech speed creates a barrier for outsiders. Add a very plastic use of words and you have a very hard to follow “code”.
In the 60/70’s, in Greece, a private language emerged between gay men to enable those people, often persecuted, to communicate. It steadilly disappeared as social acceptance rose.
The cockney rimed slang is thought to have arised out of the need of the house staff to be able to freely speak between themselves in front of the employers with no concern from reprimands.
Then there is the prison and army slang.
Any more?
Polari https://en.m.wikipedia.org/wiki/Polari