Signs that your grandparents are still doin€it: Pair of edible Depends found on bedroom floor. At night, they put their teeth in the same glass. Grandpa grabs his crotch and complains loudly of denture-burn. Granny frequently found cuffed to her walker. Not only do you hear the bed squeaking, but also joints. Grandma regularly looks at Grandpa's crotch and claps twice. You just seen grandmas photos in the 'Beaver Hunt' section of Hustler. Grandmother bakes Viagra-chip cookies. Kraft-matic adjustable bed set for 'doggy style.'