when you run a gaming community and randomly freak out and become an asshole. Includes unpredictably pissing off your community and changing everything and being all pissed for no reason. This person may or may not have a stick up their ass.
What happened guys? He just went all m1dnightshadow on us and now we're banned.
Holy shit! That guy is a douchebag. What a m1dnight.