What is Duty Mafia?
1.
The collective group of staff at a school or college who patrol both outside and inside, making sure that noone is smoking or eating in the wrong place.
One Teaching Assistant to another- Hey, Nick, are you coming along with the Duty Mafia at lunchtime?
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1.
Someone who assumes that a device or particular piece of technology that they own, is either suffering or will suffer a fault or known i..