2.) verb. To freestyle something, to perform without proper training or experience but using past knowledge un-related to the current task inorder to succeed.
3.) verb. To half-assedly build something, to build with only the hope it will work once.
student 2: I did'nt know the stuff either, so I just Macgyvered that shit.
student 1: Niiiiiice.
2.(n.) 1980s T.V. show where in every episode the hero would use objects around him to escape dire situations or fix something up through physics, chemistry, or duct tape.
3.(v.) To repair or enhance something previously broken through use of everday objects.
2. MacGyver created makeshift grenades from some junk and chemicals he found in an aircraft garage in order to get rid of the gunmen holding people hostage inside a diner.
3. Tim's mouse had broken, so he popped it open and used some chewing gum to MacGyver it back together for a while.