Great Grand GILF

A GILF but greater and grander

“Damn, Steve’s Great Grandma is a Great Grand GILF!”
“Derek, she died last week.”

fart of the shit fart of the poo

A version of the quote “Part of the ship part of the crew” commonly used on the “forbidden app”

You may see a comment on the “forbidden app” that simply says “fart of the shit fart of the poo”