bird bath
n.— «Other prisoners have to stand in the toilet stalls and take what is called a prison “bird-bath,” using a cup or an empty bottle to pour water over their heads from several small sinks that line the wall of the bathroom.» —“They Don’t Triple Bunk Dogs!” by Boston Woodard Indbay: Central Valley Aug. 13, 2006. (source: Double-Tongued Dictionary)
Further reading
Mary Lou is a former newspaper reporter in Memphis, Tennessee. One of her editors used to say he was off to the salt mines, meaning he was headed to do some challenging work. That expression is a reference to the grim practice of sending prisoners...
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...