revolving son of a bitch
n.— «I happen to be of an almost extinct breed, an old-fashioned gentleman—which means I can be a real revolving son of a bitch when it suits me.» —by Robert A. Heinlein Stranger in a Strange Land , 1961. (source: Double-Tongued Dictionary)
Further reading
To grok something means “to understand it completely.” The word grok comes from a language spoken on the planet Mars—well, at least according to the science fiction writer who coined the term! Also, we know the meaning of the word...
Debbie from Crawfordsville, Florida, says that when she and her husband reach an impasse while working on something, they’ll say Let’s grok about it, which they use to mean “Let’s think about it.” Grok was coined by...