A general warning to the recipient their past, present or future conduct may result in injury to themselves. Said injury could be caused by the recipient or by others.
By using these words you can end any conversation, denote the finish of a project, or excuse yourself from any situation with authority. It's almost like... magic.
"I'll see you guys on Tuesday at 5:00. Mischief managed!"
One of the greatest rap groups of all time. Creators of such classics as 93 Til Infinity, Montezuma's Revenge, and There is Only Now. Also part of the Legendary Hieroglyphics along with Del, Casual, and Pep Love.
"Yo who would you say is the best hip hop group lyrically?"
"Gotta be Souls of Mischief, them dudes some monsters!"
Phrase used to 'close' the Marauders Map, making it blank and causing it to appear as a normal piece of parchment until the words "I solemnly swear I am up to no good" are spoken, which activate it. (Part of the Harry Potter book series)
"As Sirius Black noticed Snivellus Snape come around the corner, he cried 'Mischief Managed' and the Marauders Map became blank."