Sentence:  [...] describes her annoyance at being expected to respond to a leer 'out of business hours' and her account of her discussions and gossip with another young prostitute and her landlady (who has retired from the streets) bear all the marks of occupational <WSD>'intalk</WSD>'. 
Meaning of the word marked with <WSD> tags:  Internalised talk or speech; talk associated with a particular group, company, or occupation; jargon.