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 spreadlike 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 McFassy Bromance.
TumblrFangirl 1: OMG I just saw "X-Men FC" for the third time!! McFassy never gets old!!!<333
Somebody who is short and pudgy (usually male) slips in and out of slippery situations. Usually could be found running around without a shirt, covered in lube and spreading it upon others.
We all had to run out of the locker room when we saw daddy McFaddy enter covered in goo and slime.
(Noun) An individual whose physique becomes enlarged and grotesque as a result of consuming too much McDonald's food. This phenomenon, albeit formerly unnamed, gained national attention and was popularized by the documentury "Super Size Me."
Fatty McFatsofat at the Drive-Thru: "I'll have two Big Macs, no wait, make that eight Big Macs. And... throw in a batch of fries, you know, a whole basket full, however many large-sized fries that is... One McRib, three of this little cheeseburgers, a twenty-piece Chicken McNuggets... and..."