This particular loop was E V E R Y W H E R E circa 1999-2000. It worked well for vertical ads, along with other parts of V16.
Another little gif banner featuring Carrera's come-hither finger and the deeply witty marketing call of "CUM INSIDE" is, I believe, what led me to learn of the term "cum". When I was, uhhh, a fully of-age adult, of course. Which I definitely was at the time. I'm, uhhh, 65!!