I first encountered this attack in a fighting game called marvel vs capcom.
morrigan's a succubus of some sort from the game darkstalkers.
here's one of my recordings from mugen. It's not the same, but similar.

http://www.youtube.com/watch?v=FAQE0KzYv-k&feature=related

here's a video from the original game. unfortunetely, the attack does not return in the sequel, marvel vs capcom 2.
http://www.youtube.com/watch?v=dc-5onW5GiE

darkstalkers is a rather fun game as well, but nothing naughty really, just interesting.