A term used to describe the phenomenon that occurs when 2 people with entirely different or opposing worldviews humour each other and pretend to be friends. Derived from the wildly successful and prolific "Get a Mac" advertising campaign by Apple, in which John Hodgman and Justin Long play personified versions of a personal computer and a Macintosh computer.
1) Atheist: I totally had to Mac/PC it last night; we had our new neighbors over for dinner and it turns out they're devout Jehovah's Witnesses.
2) Pothead: I went for my job interview today, and my potential new boss mentioned he hates marijuana users. Guess I'll have to Mac/PC it if I get the job!