Looking back, this was a weird one. I used to watch and rewatch the opening to Lethal Weapon over and over as a kid.
For anyone that isn't aware, that film starts with a very attractive blonde woman in sheer lingerie, drugged out of her mind in a hotel room, who then climbs out onto the rail of the balcony and throws herself off it.
You'd maybe think that would mean I'd be super into sad girls, or drugged up girls, or (worse still) dead girls... but I'm really very vanilla in my tastes to be honest. I do LOVE lingerie though, so maybe that was a part of it. I think that mostly it's just that as young as I was at the time, I was only able to get ahold of certain nudity and this happened to be one of them, so I would watch it repeatedly while I touched myself and one day it led to my first unexpected orgasm.