water buffalo
n.— «Larson said his “water buffaloes,” a term used to describe experts in the water field, took advantage of the lull to sway his thinking, too. They didn’t like the idea of bringing water quality into the mix.» —“Water quality bill passes House” by Danie Harrelson Daily Sentinel (Grand Junction, Colorado) May 3, 2006. (source: Double-Tongued Dictionary)
Further reading
The edge of the Grand Canyon. A remote mountaintop. A medieval cathedral. Some places are so mystical you feel like you’re close to another dimension of space and time. There’s a term for such locales: thin places. And: did you ever go...
If someone urges you to spill the tea, they probably don’t want you tipping over a hot beverage. Originally, the tea here was the letter T, as in “truth.” To spill the T means to “pass along truthful information.” Plus...