B) When a 'John' goes beyond just having sex with a prostitute and often tries kissing and caressing her intimate areas, making the situation intensely awkward, he is then known as a 'Dave'.
"All the girls know that guy can be a real 'Dave', so we don't try to pick him up."
Chuck: Oh Lisa, I'm so sorry about that!
Lisa: It's ok, it's not like I'm going to go all Dave Hunter on you.
Chuck (in his Leon the sex coach voice): Well then baby, Imma slather you in buttah and light you on fire. I might even pee on you, if you're lucky. *low sexy growl*"
Lisa: *Runs away*