Definitions include: while "hacker" originally had positive connotations, it has since come to refer to individuals who sometimes use computers with malicious intent.
Definitions include: The phrase "talk to the hand" is a street vocabulary conversation-stopper that is meant to be taken literally, albeit ironically; and is usually accompanied by its related body language: I make a pronouncement.
Definitions include: Cyberspace is a term coined by the novelist William Gibson in his novel Neuromancer to describe existence in virtual reality (or loosely in the internet): "Cyberspace. A consensual hallucination experienced daily by billions of legitimate operators, in every nation, by children being taught mathematical concepts... A graphical representation of data abstracted from the banks of every computer in the human system. Unthinkable complexity.