E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
A farrago of nonsense. A confused heap of nonsense. Farrago is properly a mixture of far (meal) with other ingredients for the use of cattle.
Anquetil was derided for having suffered a farrago of nonsense to be palmed off upon him by his Parsi teachers as the works of the sage Zoroaster.Whitney: Oriental Studies (Avesta). chap. vi. p. 184.