contact

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."

contact by speedog May 23, 2010

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Contact

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"

Contact by hazza59 February 4, 2013

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contact

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.

contact by James A F. August 12, 2005

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Contact

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)

Contact by Safmiester G December 24, 2008