What's the noun for kludged? Here's the word you're looking for.
kludge
(electronics engineering) An improvised device, usually crudely constructed. Typically used to test the validity of a principle before doing a finished design.
(general) Any construction or practice, typically inelegant, designed to solve a problem temporarily or expediently.
(computing) An amalgamated mass of totally unrelated parts forming a distressing whole.