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1.
when you pull your keys out of your pocket and try and stick them in your car or house door as fast as you possibly can as if your were being chased by a killer

(usually done for practice, in hopes of never having to be used in actual situation)
Cam: Hey man, never give your keys to Jessica, i saw her try and do quick keys yesterday when a homeless man walked up to her in a parking lot and she totally would not have gotten away if that was a killer

Kelvin: Thanks for the warning dude
by kamrun82 March 08, 2010
 
2.
To start a car by turning the key for a short spurt and releasing it. Sometimes takes several attempts.
Richard Petty used to quick key his Superbird at the races.
by Big Tom November 14, 2005