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"
Blowing a raspberry in human language phonemically (that is, as a building block of words), but it is widely used across human cultures. The nomenclature varies by country. In most anglophone countries, it is known as a raspberry, which is attested from at least 1890, and which in the United States came to be abbreviated as razz by 1919. In the United States it's also been called a Bronx cheer since at least 1929. Blowing a "raspberry" derives from the Cockney rhyming slang "raspberry tart" for "fart". Rhyming slang was particularly used in British comedy to refer to things that would be unacceptable