Amusing modern slang term for a person who sits for long periods in front of a computer, especially using the internet, instead of engaging in more active and dynamic pursuits. Mouse PotatoAmusing modern slang term for a person who sits for long per... is a clever adaptation of the older 1970s slang ‘couch potato’, referring to a person who spends too much time sat watching TV, eating and drinking too. Both terms originated in the USA, although these lifestyles are certainly not restricted to the USA.