Green’s Dictionary of Slang

farmyard confetti n.

[euph. for bullshit n. (1)]

(Aus.) nonsense, rubbish.

[Aus]Sun-Herald (Sydney) 30 Dec. 35: Lots of farmyard confetti has been spoken and written about this young man’s selection [GAW4].
Joyzine Aus. Dict. 🌐 farmyard confetti – nonsense, rubbish; foolish talk.
[NZ] McGill Reed Dict. of N.Z. Sl.