The story
Legendarily, the Earl of Athole (variously spelled) incapacitated the rebel Lord of the Isles in 1475 by having these ingredients poured down his well.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A mixture of oatmeal brose, whisky and honey, traditionally drunk in Scotland. Full definition →
Legendarily, the Earl of Athole (variously spelled) incapacitated the rebel Lord of the Isles in 1475 by having these ingredients poured down his well.
Etymology from Wiktionary, CC BY-SA 4.0.