I found this website from scrolling through S-Y forum it's called ytboob.com and it collects all the nudity that can be found on youtube. Some videos are deleted on youtube but others are still there just age gated. Feel free to browse through them.
ytboob have bot account on reddit automaticly saving videos with 3 upvote
i am sharing videos since 2 years on reddit page for save videos on ytboob you can find removed videos there