Sentence:  And ‘blubbing'... Blubbing went out with ‘decent' and ‘ripping'. Mind you, not a bad new <WSD>language</WSD> to start up. Nineteen-twenties schoolboy slang could be due for a revival. 
Meaning of the word marked with <WSD> tags:  A sublanguage: the slang of a particular community or jargon of a particular specialist field.