An academic who's lack of "street" experience causes an over reliance and fixation upon standard academic discourse despite overwhelming practical considerations.

(In reference to the color of the lampshade of desk and table lamps often seen in academic settings)
"Who, Jim? Ignore him regarding this issue as he has no "real world" experience with it. He's a classic green lamper: Raised in a sheltering family, off to private school, then nothing but academic study for 10 years."
by Martin Peter May 22, 2007
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"Lamper i taket" is norwegian for "Lights in the ceiling". The phrase are used a lot when people need to swear in secret. When you say "Nei, det var da som lamper i taket!", it could for example mean "For fucks sake!" or "Damn it!"
"Lamper i taket, i cant believe i lost the bus!"
by Silje aka the pup savage May 28, 2017
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