Calloway recalled in his autobiography that the song came first and the chorus was later improvised when he forgot the lyrics during a radio broadcast. "the 130th Psalm" (one of the seven penitential psalms), so called for its opening words in Latin, literally "out of the depths (have I cried).
"sudden, unforeseen occurrence," 1779, from French coup de foudre, literally "stroke of lightning," also "love at first sight" (see coup). " (often a euphemism for "to sell"), by 1968, from de- "off, away" accession, which had been used since 1887 in library publications as a verb meaning "to add to a catalogue.