A mechanically inclined female who knows a lot about how cars work, but doesn't want to offend or piss-off her boyfriend who shows zero aptitude for automobiles and needs a Garmin to find his way out of a wet paper bag.
Stacey really wants to swap mechanic stories with gear-head, Mike, but she's bein' "car quiet" since her boyfriend is standing right there.

Josie's boyfriend is trying to do her a favor by taking her car to Jiffy Lube for her...But, she is so not going to let those hosers go anywhere near her car with Penzoil that she is unable to be "car quiet" about it.
by BoardingVenus March 31, 2010
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A term coined to describe a long car ride in which teenagers or grown adults sit in silence. Often times, the music is turned up. Usually due to stress and irritation or simply not wanting to talk. Seldom times, it can be called when one is driving a "shitbox" and needs to figure out if "that sound" is coming from their car. Also similar to when parents call an "all quiet" car ride after their children bug them. Only driver and shotgun seats may call a "quiet car."
Emily and Kristy became bored with their friends conversations going on in the back seats. Therefore, Emily called a "quiet car time" as a polite excuse to turn the music up.
by flipflops7002 November 22, 2009
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