BBC – Future – The secret “anti-languages” you’re not supposed to know
From London to Timbuktu, there is a teeming underworld of rebellious “anti-societies” who speak a mercurial code. David Robson reports
Anti-languages are languages that are used by some kind of group that doesn’t wish to be understood by outsiders. It has been used by gay men who don’t wish to be discovered as well as criminal gangs that wish to hide what they are doing or where they are doing it.