coup de foudre (ku d? fudr?) n, pl coups de foudre (ku d? fudr?) a sudden and amazing action or event[literally: lightning flash]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014coup de foudre – A sudden unforeseen event or instantaneous and overwhelming passion, such as love at first sight; it is French, literally, “stroke of lightning.”See also related terms for lightning.Farlex Trivia Dictionary. © 2012 Farlex, Inc. All rights reserved.