tube light
n.— «Tube light is a slang used to describe nitwits.» —“Who invented the light bulb?” Rediff (India) Apr. 27, 2007. (source: Double-Tongued Dictionary)
Further reading
An acclaimed poet’s tender poem about holding a newborn for the first time reflects a complex swirl of emotions. And: A caller finds that in her workplace, the expression out of pocket can mean very different things: either “being unavailable” or...
If you alternate alcoholic beverages with glasses of water over the course of an evening, you’re said to be zebra striping. This bit of slang was inspired by how the animal’s alternating black-and-white markings are like the contrast between the...