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"
Pop Goes the Weasel tool, a spinner's weasel used for measuring in spinning, a piece of silver plate, or that 'weasel and stoat' is Cockney rhyming slang for "throat", as in "Get that down yer Weasel" meaning to eat or drink something. An alternative meaning which fits better with the theme of "that's the way the money goes" involves pawning one's coat in desperation to buy food and drink, as "weasel (and stoat)" is more usually and traditionally Cockney rhyming slang for "Coat" rather than throat and "pop" is a slang word for "pawn". "Pop goes the weasel" meant pawning a coat. Decent coats