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"
Cockney of the spread of cockney English since the 1960s. Cockney is more and more influential and some claim that in the future many features of the accent may become standard. Studies have indicated that working-class adolescents in areas such as Glasgow have begun to use certain aspects of cockney and other Anglicisms in their speech. infiltrating the traditional Glasgow patter. For example, "TH"-fronting is commonly found, and typical Scottish features such as the postvocalic are reduced. Research suggests the use of English speech characteristics is likely to be a result of the influence of London and South East England accents