1. The portmanteau couple name for the James McAvoy and Michael Fassbender RPS pairing.
2. Fandom involving the two actors James McAvoy and Michael Fassbender.
3. A good example of bromance that has spread like a wildfire after the newest X-Men-movie "X-Men First Class" where the two actors played Professor X(McAvoy) and Magneto(Fassbender) together.
4. Also claimed to be a lifestyle cultivated by fangirls of the McBender Bromance.
TumblrFangirl 1: OMG I just saw "X-Men FC" for the third time!! FassAvoy never gets old!!!<333
TumblrFangirl 2: Keep calm and ship FassAvoy/McBender!<3
A person that seemingly stalks and lives to write comments trashing or making fun of items you post on Facebook. This includes a buddy that will twist the post to bring up embarrassing situations about you.
Post: "Just had a great dinner at a new French restaurant."
Comment: "Was it like that time you took that chick you met on the internet to dinner and brought her home only to find out it was a transvestite?"