- bootleg liquor.
Origin of sly-grog
First recorded in 1835–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for sly-grog
If she'd kept a sly-grog shop she'd have had a different opinion about bullick-drivers.
She talked of puttin' the police onter us, jest as if we was a sly-grog shop.
She was a hard-looking woman—just the sort that might have kept a third-rate pub or a sly-grog shop.