Looking for an old, filthy story [MF]

I remember saving(or so I thought) a post here a year or more ago, with a title like “filthiest night of my life”. It was written from the perspective of the girl, who may have been a babysitter, getting involved with an older man. I remember him saying super hot and degrading things, and making her squat over a glass table to push cum out, and then lick it off. I’m desperate! I need to give my man some ideas. Anyone remember this story?