M stands for MEATHEAD.
There are some good avaition websites out there that give a series of airline type interview questions.
Usually each airline will have its standard bank of questions.
Try
http://www.flightinfo.com/
or
http://www.aviationinterviews.com/
Check on there links and you might find yourself with stories from guys/gals who have gone through the interview and given out a few questions.
Hope this helps. You only get one shot to impress them, so make it your first shot.