- bootleg liquor.
Origin of sly-grog
Examples from the Web for sly-grog
Historical Examples of sly-grog
She talked of puttin' the police onter us, jest as if we was a sly-grog shop.
If she'd kept a sly-grog shop she'd have had a different opinion about bullick-drivers.
She was a hard-looking woman—just the sort that might have kept a third-rate pub or a sly-grog shop.