n The tuber of a plant, Solanum tuberosum, eaten as a starchy vegetable, particularly in the Americas and Europe; this plant.
n (informal, UK) A conspicuous hole in a sock or stocking.
n (slang, offensive) A mentally handicapped person.
n (humorous) A camera that takes poor-quality pictures.
n (humorous, slang, computing) An underpowered computer or other device, especially when small in size.
adj (computing, slang, humorous, of a computing device) Underpowered; low-end.