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Aviation term: a verbal queue expressed by the pilot of a propeller-driven aircraft lacking a starter to a mechanic positioned forward of the engine, indicating that the pilot has connected the main electrical circuit of the aircraft via a switch in the cockpit, and that the mechanic should manually rotate the propeller in order to start the engine.
"When Lt. Rickenbacker engaged the main switch of his S.P.A.D. fighter, he shouted 'Contact!' to his mechanic to crank the propeller."
by speedog May 23, 2010
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Nov 27 Word of the Day
A stupid person; it refers to the lack of surface area on an individual's brain. The general thought is that the more surface area (wrinkles, creases, etc.) a brain has, the smarter the person is. Conversely, a person with a smooth brain (no wrinkles) has less surface area and would therefore be stupid.
That fucking smooth brain put his shirt on backwards again...

That smooth brain is dumber than a pile of shit.
by Tip Tank May 14, 2011
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2
Used by military personnel to report an encounter with enemy forces. Enemy forces are not necessarily human enemy but can be enemy IDF (Indirect fire) ie Artillery, or IED's/mines.
"Hello 0, this is 12, contact, enemy infantry, wait out"
by hazza59 February 04, 2013
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3
1)*predominant usage of the word* Contact lenses, AKA small pieces of plastic (which these days are usually pretty soft, as compared to the older, stiffer "hard" contacts) which are basically stuck on your eyeball as a replacement for glasses. They have grown in popularity in the last several years, to the point where many people have them because they
a)find them better than glasses
or b)think they'll look cooler without their glasses.
Watching people put in contacts is rather gross, and some people will tell you they hurt a lot or aren't worth all the trouble they cause. But many others love having contacts and would never go back to wearing glasses.
2) people you contact for information (similar to sources)
1) My friend just got contacts cause he was sick of his glasses.
2) My contacts within the agency told me that the president was planning to unleash a new program soon.
by andriod5 September 20, 2005
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4
Shortened form of "Contact High," which is getting a high from secondhand marijuana smoke.
Larry hung out with his stoner friends last night and didn't smoke, but he got a contact just from being around them.
by James A F. July 20, 2005
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5
Little thin pieces of plastic that makes a geek or techie look hot.
*puts contacts in* I am not a dork anymore because I don't have these fucking glasses on me!!!
by Lil Duff 2008 June 17, 2008
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6
Don't wear them to sleep.
Guy A: my friend wore contacts to sleep, and they got stuck on the back of her eye and she had surgery to remove them .... yeah

Guy B (deep voice): That's pretty G.
by collin z January 12, 2010
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