From a popular American television program with the same name, with the title character being someone of considerable scientific ingenuity. See MacGyver in Wikipedia.
MacGyver (third-person singular simple present MacGyvers, present participle MacGyvering, simple past and past participle MacGyvered)
- (transitive) To assemble or repair something by ingenious improvisation, using everyday items that would not usually be used for the purpose.
- Our car broke down and we didn't have any tools but Jim MacGyvered it with some toenail clippers and we were able to limp to the service station. 
- No place to climb? MacGyver your own set-up in a power rack for rope pull-ups or rows. 14 March 2014