Buttonhead

noun informal
A person implanted with cybernetic sockets for plugging peripherals directly into the brain.
Source
Hardwired

Corpselover

noun
A carnivore.
Source
The Star Diaries: The Eighth Voyage

Chickenhead

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

Skinjob

noun informal
A Replicant.
Source
Blade Runner