jerrybuild

To assemble a project in a hasty, sloppy manner, especially using cheap, inferior or improvised materials.

It was a queer-looking hovel, built of galvanised iron and kerosene-cans and bark and saplings and bamboo, according to no definite plan, and obviously, to knowing eyes, by one of those masters of the craft of jerry-building […]

If we look at some of the stories of R. D. Laing's patients in The Politics of Experience it looks as if schizophrenia jerrybuilds a shaky structure of passion and freedom which depends for existence on negation of control and conscious scruple.

To assemble a structure in such an unsafe manner that it is doomed to collapse.

To repair a structure in a sloppy or unsafe manner.