COMB in N-UNCOUNT (disapproval)-speak is used to form nouns which refer to the kind of language used by a particular person or by people involved in a particular activity. You use -speak when you disapprove of this kind of language because it is difficult for other people to understand.
Solicitor-speak is believed to be a reason why two out of three people die without making a will...
Unfortunately, the simplicity of this message is almost lost within his constant management-speak.
English dictionary. 2008.