Since the publication of Elect Mr. Robinson, dystopic ﬁction has become something of a fad.
I just wanted to work, and thought it was a fad that would go away.
Three signs of a fad: bacon-flavored coffee, chocolate-covered bacon and, of course, the Bacon Explosion.
1834, "hobby, pet project;" 1881 as "fashion, craze," perhaps shortened from fiddle-faddle. Or perhaps from French fadaise "trifle, nonsense," ultimately from Latin fatuus "stupid."
flavin adenine dinucleotide
["FAD, A Simple and Powerful Database Language", F. Bancilon et al, Proc 13th Intl Conf on VLDB, Brighton, England, Sep 1987].