As soon as language was. People have always invented slang words to amuse themselves.
Nobody knows. People have always used slang.
The Online Etymology Dictionary lists the word 'slang' as having been coined in 1756 to describe 'a special vocabulary of tramps or thieves'.
I believe it came out of the drug culture in the '60's
Wherever people spoke. People have made slang and idioms from the moment they invented language.
The origins of Cockney Rhyming Slang are uncertain, and it's difficult to attribute its invention to one individual. It developed in the East End of London among the working-class community in the 19th and early 20th centuries. It is believed to have been a code language used to prevent outsiders from understanding conversations.
People invent slang.
Nobody knows. People have always used slang.
There was slang five minutes after the first word was invented.
Slang has been around since we invented language. There isn't one person who invented it - it just evolves naturally as people speak.
Always. People started inventing slang as soon as they invented language.
Slang has always been around, since we first invented talking.
It has never actually been invented its just a slang term for 'I don't know'.
Let me answer this question by a question: Why was grammar invented?
Suspect this was invented by Jo Nesbo in Phantom
The Online Etymology Dictionary lists the word 'slang' as having been coined in 1756 to describe 'a special vocabulary of tramps or thieves'.
It is not known who invented the name dork. The term originated in the 1950's and was originally used as a slang word for penis.
I believe it came out of the drug culture in the '60's