mouse potato 
noun informal
A person who spends large amounts of leisure or working time operating a computer.Nobody allows you to remain a couch potato or a mouse potato any more: you have to respond to polls, contests, and invitations to what is being said on the programme on air....
- Her lack of wireless is really holding her back from becoming a full fledged mouse potato.
- PC nerds addicted to their computers will be known as ‘mouse potatoes’, even if they are e-mailing their ‘keypals’, the new word for penpals.
Origin
1990s: on the pattern of couch potato.
- occlusor
- occult
- occultation
- occult bleeding
- occult blood
- occulter
- occultic
- occulting light
- occultism
- occultist
- occultly
- occultness
- occupable
- occupance
- occupancy
- occupant
- occupatio
- occupation
- occupational
- occupational disease
- occupational hazard
- occupational health
- occupationalism
- occupationally
- occupational medicine