Green’s Dictionary of Slang

(US campus) to fabricate from a number of unmatched parts .

2004		Urban Dict. 9 Nov. 🌐 My car broke down so I had to Frankenstein a new engine from old Mustang and Corvette parts.
2014		C. Eble (ed.) UNC-CH Campus Sl. Spring 2014 Fall 3: FRANKENSTEIN — improvise from mis-matched parts: X: ‘Are you eating peanut butter, Brussels sprouts, cheese and toast?’ Y: ‘ I had to Frankenstein my dinner’.
2023		J. Jackson Pineapple Street 31: Georgiana solicited information from project managers in the field about what they were doing and then Frankensteined their slapdash responses into articles.