Most grossly inappropriate anime opening or ending?

[Blackangel]

is there an anime opening or ending like that.
i don't remember any such grossly inappropriate opening or ending lol. what about you?

 

[Heatman]

Well, all the anime that I have watched so far are based on recommendations, so I haven't had the privilege to watch a badly produced anime.

 

[Razor1911]

I too can't remember any kind of gross inappropriate movie, though I think one punch man can somehow make it to this hall of fame. Lol