Grandpa’s dirty bathwater Share definition Flag A colloquialism referring to alcohol, typically dark liquors such as whiskey. No child, you don’t want any of that. He’s drinking grandpa’s dirty bathwater. Grandpa’s dirty bathwater by FLEXICON February 25, 2022 0 0 Get merch Get the Grandpa’s dirty bathwater mug. Buy Now — $32.95 See more merch
