One of the mysteries of the English language finally explained.
1A spot on the skin symptomatic of the bubonic plague or of another plague-like illness.
2Specifically figurative. An evil or undesirable person regarded as a symptom of the diseases of society.
3A place associated with bubonic plague.
Early 17th century; earliest use found in Thomas Gataker (1574–1654), Church of England clergyman and scholar. From plague + spot [adverb].
plague spot/ˈpleɪɡ spɒt/
In this article we explore how to impress employers with a spot-on CV.