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3.
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 Sulayman July 20, 2005
 
1.
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
 
2.
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
 
4.
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
 
5.
A replacement term that can always be used instead of "high five," "pound" etc.
"Contact" works in any situation, e.g. if the person does not have five fingers, or uses another part of their body.
person 1: That was awesome!
person 2: Contact! (hand slap)
by Safmiester G April 01, 2007
 
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
 
7.
Used in the military to identify visible enemies.

See also: Tango
Multiple contacts ahead, proceed with caution.
by Jonnybear April 02, 2007