poorly designed, thown together computer hardware and/or software, comprised of odds and ends of other pieces of hardware and/or software, and barely capable of performing the task(s) for which it was created.
"The old PC she uses to control the lighting in her home is a real kludgebucket."
awkward, unpolished, designed with complete disregard to establishedrules, potentially fatal
The kludgey highway off-ramp that curled into a figure-eight loop before turning into a two-foot merge lane into traffic was cited as the cause of numerous accidents by the state highway patrol.