As for me, I've always believed if it's socially acceptable to use male genitalia as an insult, then it should be acceptable to use female body parts, too. The idea of my body part being more offensive just seems... sexist.
Madness string 111343
Technically, it is impossible for a vampire to have an erection due to the mechanics of the thing. They do not have the blood to sustain it. So where do all these silly romance notions come from?