Costermonger a secret language, a code which only other costermongers understood. In her book, "Shadows of the Workhouse", Jennifer Worth observed that "Costers... spoke to each other almost entirely in back slang; incomprensible to an outsider." Many costermongers also used "rhyming slang"; where any word can be substituted with another word that rhymes with it. Examples of rhyming slang include: "tin lids" or "dustpan lids" for "kids"; "jimmy grant" for "emigrant"; "apple and pears" for "stairs"; "rubbidy dub" for "pub" and "trouble and strife" for "wife". The selection of rhyming words often suggested a symbolic association. For example, a "sorrowful tale"
British slang (1937). It was not until the 1950s that slang began to make regular appearances in books and in the relatively new media of motion pictures and television. There are a number of different varieties of British slang, arguably the best known of which is Rhyming slang. Chiefly associated with cockney speech spoken in the East End of London, words are replaced with a phrase which rhymes. For example: "plates of meat" for "feet", or "twist and twirl" for "girl". Often only the first word is used, so "plates" and "twist" by themselves become the colloquialisms for "feet" and "girl". Thieves'