E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
He has got the gold of Tolosa. (Latin proverb meaning His ill-gotten wealth will do him no good.) Cæpio, in his march to Gallia Narbonensis, stole from Toulouse (Tolosa) the gold and silver consecrated by the Cimbrian Druids to their gods. In the battle which ensued both Cæpio and his brother consul were defeated by the Cimbrians and Teutons, and 112,000 Romans were left dead on the field. (B.C. 106.)