Augean

Part of speech: adjective (a.)

1. Of or pertaining to Augeus, king of Elis, whose stable contained 3000 oxen, and had not been cleaned for 30 years. Hercules cleansed it in a single day.

2. Hence: Exceedingly filthy or corrupt. Augean stable (Fig.), an accumulation of corruption or filth almost beyond the power of man to remedy.