The most confusing definition of the nature of slang is the following one given by Partridge. Slang is everywhere he says — and youth slang, in particular, exerts enormous power.
By a process of natural selection, only the strong survive.
It never grows stale. Cockney, public-house, commercial, society, military, theatrical, parliamentary and others. He says yer told him to send' round no more pink notes nor come hangin' over de garden gate, and he takes dis mean sending the boy to speak for him.He says yer referred to him like a has-been, and never give him no chance to kick at de decision. Flexner in their "Dictionary of American Slang" write: "Sometimes slang is used to escape the dull familiarity of standard words, to suggest an escape from the established routine of everyday life. He says yer swiled him and never said why. The obscure etymology of the term itself affects its use as a stylistic notation. Slang pervades American speech to a startling degree. It is suggested here that the term 'slang' should be used for those forms of the English vocabulary which are either mispronounced or distorted in some way phonetically, morphologically or lexically. Much has been said and written about it. This can be proved by the progfessive role played By any conscious effort to sift innovations, some of which are indeed felt to be unnecessary, even contaminating elements in the body of the language. They, and they only, being native speakers of the English language, are its masters and lawgivers. Many words formerly labelled as slang have now become legitimate units of standard English. Slang is nothing but a deviation from the established norm at the level of the vocabulary of the language. As for the other groups of words hitherto classified as slang, they should be specified according to the universally accepted classification of the vocabulary of a language.
Foremost among its sources is the African-American vernacular, whose influence on American youth slang of the 20th century cannot be over-stated. It is suggested here that the term 'slang' should be used for those forms of the English vocabulary which are either mispronounced or distorted in some way phonetically, morphologically or lexically.
Most are quickly discarded and forgotten. If a slang word or phrase does become stale, it is replaced by a new slangism. If, on the other hand, slang is a certain language or a dialect or even a patois, then it should be characterized not only by its peculiar use of words but also by phonetic, morphological and syntactical peculiarities.
Slang is regarded as the quintessence of colloquial speech and therefore stands above all the laws of grammar. By and large, the man who uses slang is a forceful, pleasing, acceptable personality. No one has yet given a more or less satisfactory definition of the term.