If you think females can't fight, think again. This nasty lady comes equipped with a full-blown chaingun attached to her body and takes a shitload of ammo to kill. It is the final boss of DOOM and makes a few appearances in DOOM II.
Only the spider mastermind has a chance of killing the Cyberdemon.
by DoomGuy September 20, 2006
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The rule that the current activity takes priority over another pending activity, derived from the BBC quiz show Mastermind's catchphrase "I've started so I'll finish." The rule can be invoked at any point during the activity, but is not necessary should the alternative be more favourable.
Jon Humphreys: What is the capital *beep* - I've started so I'll finish - of Namibia?
Contestant: Windhoek

Miles: Can you pass me the kingers so I don't have to map out, actually I''ll invoke the mastermind rule as I've started so I'll finish.
by Burger King Diamond August 15, 2011
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A nigga that can create anything he desires out of just the stuff he finds in the fridge or freezer. Can be made from leftovers, a fuckload of side dishes, or just crackers and condiments. Once he sticks it in that microwave for just the right amount of time, that nigga is guaranteed eating the dankest meal of the day.
"What'd you have for lunch?"

"A barbecue chicken sandwich with jalapenos and grated cheese."

"Fast food?"

"Nahh. My house."

"You Microwave Mastermind."
by VandalTR January 16, 2012
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The act of completely surprising a friend with the intent of making them extremely happy.
This one time Elliot, Carolina, and Alexandria began masterminding the ultimate birthday surprise and we needed to come up with something completely unexpected. So what happen next? A plane, an Uber, and then...turn around to see how the story ends.
by Masterminding March 21, 2017
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When you’re bricked out of your mind at your methadone chemist, dacking lynx body wash and stealing old ladies purses
That boys a mastermind…Well Defs get him in on the next job
by Citizenjohn October 17, 2022
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