Another slightly strange but amusing message from a periodicvideos viewer!
It is this animated GIF image, from a YouTube user called poorsoulja.
It came with the following explanation:
"I was scrubbing through your video and couldn't help but to capture the moment... Its a few frames of you, put together to look like cheesy stop-motion dancing (nothing vulgar)
"Silly, I know.... this is not what I spend all my time doing, btw. :)
"Your channels are excellent! Great work..."
Here's the video it came from: