Wirehead

noun informal
A person fitted with an electronic implant to stimulate the pleasure centres of the brain.
Source
The Ringworld Engineers

Girdlecity

noun proper
A city that encircles a planet.
Source
The Hydrogen Sonata

Ringworld

noun
A ring-shaped artificial habitat encircling a star.
Source
Ringworld

Derezz

verb
To destroy a computer program.
Origin
Abbreviation of ‘de-resolve’.
Source
Tron

Chickenhead

noun informal
A mentally retarded person.
Source
Do Androids Dream of Electric Sheep?

Simstim

noun
A recording or broadcast of the sensorium.
Origin
Abbreviation of ‘simulated stimulation’.
Source
Neuromancer

Tempunaut

noun
Crewman aboard a time-travelling vessel.
Origin
Derived from tempus (time) and nautēs (sailor).
Source
A Little Something for Us Tempunauts

Newspeak

noun
The language of Oceania, devised to meet the ideological needs of Ingsoc.
Source
Nineteen Eighty-Four

Cyberspace

noun
A graphic representation of data abstracted from the banks of every computer in the human system.
Source
Neuromancer

Nadsat

noun
  1. A youth dialect.
  2. A teenager.
Origin
-надцать, the Russian equivalent of ‘-teen’.
Source
A Clockwork Orange

Esper

noun
A person with psychic powers.
Origin
Abbreviation of ‘extra-sensory perception’.
Source
The Demolished Man

Cityspeak

noun
A multilingual street dialect.
Source
Blade Runner