puffball

noun

1. Any of various fungi, usually globose, that produce a cloud of brown dust-like spores from their mature fruiting bodies, especially in family Lycoperdaceae.
2. (broadly)Any of various mushrooms with globose fruiting bodies.
3. A dandelion flower that has gone to seed, a dandelion clock.
4. (figuratively)Something lacking substance.

   “Scads of souls thought the record was yet another puffball from ex-Beatle Paul.”