Spanking turns me on so bad. If I were to even lay a finger on my clit after receiving one, I would cum in an instant. I find it more exciting to sit there and squirm with pleasure then to have it end in an instant.
I might be a masochist in that way. I enjoy teasing myself and not giving into temptation right away. But I'm also a masochist in other ways ;) More on that to follow.