kidney warmer
n.— «I was just lamenting to mrs. richat the other day that my upper arms, shoulders and back seem out of control…I am 34. I started with the lovely “kidney warmers” in university, maybe around 22 or so, but nothing cuckoo until the last few years.» —by Richat Ask Metafilter Oct. 27, 2004. (source: Double-Tongued Dictionary)
Further reading
An anadrome is a word that forms a whole new word when you spell it backwards. For example, the word “stressed” spelled backwards is “desserts.” Some people’s first names are anadromes. There’s the girl named Noel...
For rock climbers, skiers, and other outdoor enthusiasts, the word send has taken on a whole new meaning. You might cheer on a fellow snowboarder with Send it, bro! — and being sendy is a really great thing. Plus: a nostalgic trip to Willa...