When homosexuality was illegal, a secret language brought people together.

In 1960s England, Polari was a creative blend of Italian, Romani, rhyming slang, and backslang, used among the LGBT community. It could be used to communicate, or to identify someone as a member of the group. Now Polari has been lost, even as some of its words have crossed over into mainstream English.

We're talking to Professor Paul Baker about this lost language on this episode of Talk the Talk.