This looks like it might come from one of those raunchy British comedies from the 1960s or 1970s, but I don’t actually know:

Update: Aha! Christopher in the comments says this is from a movie called The Ups And Downs Of A Handyman. That’s why it looks so familiar — I blogged another scene from the same movie years ago. Thanks Christopher!
I have to apologize to this male model from Spanking And Shame. But when I saw the pictures and video clips in the gallery, all I could think of was Borat saying “We make sexy spanking time…”
And in case you were wondering, she doesn’t fall off his lap during the spanking, but she does eventually start flailing about in the revealing ways you’ve come to associate with a good Spanking and Shame photoshoot.
From Like A Bike Seat:
The ass of a reader. She asked if I’d show off the evidence of her first real spanking? Could I possibly say no?
No.
Remember this Batman spanking? Somebody has cleaned it up a bit and brought the focus in on the good bit:
Some more assorted “red bottom” links for your viewing pleasure:
See Also: