Bascially a professional badass, the Liam Neson's of the engineering world. These guys do the shit you can't, fix the shit you can't, and run the shit you can't. Typically paid over 100,000 a year, these are the people that keep your world running.
Oh you're an operating engineer, well I won't be needing these pants anymore.
by Bill S Preston April 14, 2016
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Oh, you wanted a polish map? Well I have something better: operation health
by MadPlayz October 23, 2017
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The mission one goes on to search the entire kitchen for just one scrap of food.
"Mom, pick up some food while you're out. I've been on vulture operations for the last ten minutes."

"My vulture operation was a success. I found a bag of Lay's in the back of the pantry."
by DJ Albatross April 22, 2010
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Playing any game of conquest or rush on operation metro in a 64 player server without any limits on XM25, M320, C4,Claymores, SMAW, RPG, LAW, or any other explosives in hardcore mode.
I was feeling good about killing 2 enemy players until I rounded the corner to get killed by a C4 camper, then respawned to trip a team mate's claymore and die by friendly fire, Operation Clusterfuck strikes again!
by taters21 February 15, 2015
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to basically quit working while still remaining at work because you don't agree with the way things are being handled or just because you don't care anymore. Staying on break permanently due to protest without actually going on strike.
Josh: Dude, why are you just sitting there playing Tetris on your computer when you're supposed to be working.
Paul: Because Mike told me to do something I don't want to do. I am commencing Operation Shutdown.
by Batch0605 January 15, 2010
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1) A ska punk band that formed in 1987 and disbanded in 1989 consisting of Jesse Micheals, vocals, Lint, guitar, Matt McCall, bass, and Dave Mello, drums. They originated in Berkeley California around the Gilman St. club.
2) Code name for testing nuclear bombs in the '40's
1) The Operation Ivy 7" was called Hectic.
2) There was much objection once Operation Ivy became public.
by Dayglo June 19, 2004
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A person that attempts to have sex with as many women as possible, while, at the same time, trying to keep it a secret from each woman. In his head O.S thinks that the illusion will last, however, that is not the case. Often most of these women know each other. If your friend is an O.S, best thing to do is let it take its course. Then when the shit hits the fan, kick back, pop open a cold one and enjoy the show.
Bob-"Hey whats up O.S?"
British Simon -" O.S? Operating system?"
Bob-" Nah. Operation scumbag."
by KBap April 28, 2011
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