I am going to shave my tongue!

So I have finally SOLVED the mystery of the strange memory that has been haunting me for a number of years now. When I was in highschool, I was the Secretary of JACC, the Japanese Animation and Cultural Club. We watched many many many things during that time. But I had this odd memory of watching SOMETHING where some guy licks a sharp object and declares "I'm going to shave my tongue". I started to think I had made this up, untill about a month ago, I mentioned it to one of my friends and he said that he remembered it too. But we couldnt remember what it was from... Untill today I was talking to Lisa, and she remembered it for us! O

It was this:

Outtakes from Weiss Kreuz! wowwwwww...