Arthur placed the point over the heart, and as I looked I could see its dint in the white flesh. Then he struck with all his might.
– Bram Stoker
Dracula, Chapter 16. Lucy’s fiancé Arthur drives the stake through the heart of what was Lucy and is now a vampire. The stake through the heart scenes are seen as very sexual in nature, in this case especially so as Arthur and Lucy were engaged to be married.