Most commonly a fashion term, refering to a stylist picking various pieces from a range of set outfits in a hurry, throwing them together, and creating an outfit that sort of works, but is largely wrong.
M: No problem, with a thin sharp implement, make to central holes in these bottle lids, and use them as wheels.
A: Nice! Hey....They sort of work, but...they're a bit frankensteined
B:Wow, I like your outfit J, it's very contemporary.
H:I think it looks stupid.
J:I was in a hurry and was Frankensteining
Lance: I'm totally Frankensteining her!
- Sweet man, lets get frankensteining now.
-Hey, grab some ice!