[One of the onomatopœic reduplications expressing the notion of something trivial; cf. FAL-LAL.] A foolish or ridiculous notion; a foolish hobby.
1565. Jewel, Def. Apol. (1611), 511. Ye doe but trifle with your Filly Follies.
1765. Sterne, Tr. Shandy, VIII. xxxi. ’Tis the sporting little filly-folly which carries you out for the present hour,—a maggot, a butterfly … a fiddle-stick.
