frankenstein
Definition
A fictional monster assembled from corpses by Victor Frankenstein, the protagonist of Mary Shelley's 1818 novel 'Frankenstein; or, The Modern Prometheus'.
Any creation pieced together from mismatched or disparate parts, especially one that is monstrous, unnatural, or dysfunctional.
(verb) To cobble together or modify something clumsily from various sources, often with disastrous or grotesque results.
Examples
The startup's app was a total frankenstein of buggy code and half-baked features, crashing harder than a zombie at a rave.
She frankensteined her resume by stitching in skills from three unrelated jobs, fooling the AI screener but not the interviewer.
After the garage sale haul, his custom bike became a frankenstein beast that wobbled like it had second thoughts about existing.
The DJ frankensteined old vinyl tracks into a beat that had the crowd moshing and questioning their life choices simultaneously.