egg beater
n.— «Most of the fruit is “wet harvested.” The bogs are flooded and special harvesting machines, affectionately called egg beaters, whisk up the water to release the berries, which are full of air pockets and so float to the top.» —“A study in scarlet” by Lila Das Gupta Telegraph (United Kingdom) Oct. 28, 2006. (source: Double-Tongued Dictionary)
Further reading
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...
The Portuguese idiom virar a noite refers to doing something all night, such as studying or dancing. Literally, virar a noite means “to turn over the night.” In French a sleepless night is a nuit blanche, or “white night.”...