Grandpa’s dirty bathwater
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 House Slipper
Grandpa's Dirty House Slipper, in keeping with the definition of House Slipper, is the act of an elderly male homeowner engaging in unprotected anal sex with a male residential services provider, i.e., home health aid, lawn care worker, maid, plumber, cable guy, in exchange for the worker to provide free or extra services.
Howard needed his lawn mowed and the shrubs trimmed around his yard. However, his social security check only stretched so far and he could not afford to pay for those services. Therefore, Howard availed himself to sex and performed a Grandpa's Dirty House Slipper with a young male lawn care worker mowing the yard of his neighbor's home. Howard ended up with neatest yard and the best groomed shrubs in the whole community.
Dirty Grandpa
When grandpa takes out his dentures and proceeds to eat his lovers pussy until they cum. Then will put them back in his mouth like nothing ever happened.
When you get up to be my age you’ll know what a dirty grandpa is.
Dirty Grandpa
A drink. 1 part bourbon, 1 part Scotch, 1 part Amaretto 1 cherry. Also known as a GodFather
Bartender, another Dirty Grandpa please.