Sandy Grandma 

An attempt to have sexual intercourse via the anus with an older woman however, she's way too dry which then creates flakes covering the penis which is known as "sand".

"Man, I just had sex with a GILF too bad she was a Sandy Grandma though..."

Sandy Grandma by SomeSuperRandomGuy November 2, 2019

Sandy Grandma 

"An attempt to have sexual intercourse via the anus with an older woman however, she's way too dry which then creates flakes covering the penis which is known as "sand"."

Mark was so drunk, he recorded himself with a Sandy Grandma.

Sandy Grandma by TheOverWatcher November 2, 2019