top-hatting n. in roulette and casino gambling, the surreptitious placing of a bet after the outcome has been decided; past-posting. (source: Double-Tongued Dictionary)
Further reading
Old. Elderly. Senior. Why are we so uncomfortable when we talk about reaching a certain point in life? An 82-year-old seeks a more positive term to describe how she feels about her age. And: a linguist helps solve a famous kidnapping case, using the...
It may not be as rich a source of slang as baseball, but golf has contributed several terms to English, including stymie, “to get in the way of,” mulligan, a “do-over,” and par for the course, meaning “normal.”...