If you haven't a clue what young people are talking about, read this

Struggling to communicate with your teen? Suzanne Harrington masters the latest adolescent buzzwords with forensic linguist Allan Metcalfe, author of a new book on the history of slang.

From flapper to hipster, each generation has its own tribes and the buzzwords to describe them.

These words, initially impenetrable to exclude the squares and the olds, quickly become absorbed into the mainstream lexicon – and our dictionaries – so that very soon we are all on the same slangy page.