Here in Los Angeles, we're a diverse community and as a result, there's a variety of languages from all over the world you'll probably recognize, spoken throughout our streets.

But what if there were 'secret languages' meant to pass off as normal speech to exclude a larger group? Throughout history, there's evidence of 'anti-languages' or argots from underground societies but because they are shrouded in secrecy....documenting them has been difficult.

Lauren Collister, a sociolinguist at the University of Pittsburgh spoke to Take Two's A Martinez via Skype and explained what an 'Argot' is, examples of them and how they're studied.

To hear the full interview, click the blue play button above.