falderol

noun

1. mere nonsense; foolish talk or ideas.
2. a trifle; gimcrack; gew-gaw.

noun

1. a showy but worthless trifle
2. foolish nonsense
3. a nonsensical refrain in old songs

n.

also falderal, folderol, 1701, nonsense refrain in songs; meaning “gewgaw, trifle” is attested from 1820.