Let's talk with Jim-san

I especially like knock knock jokes.
Does anyone know some good Japanese knock knock jokes that are sexy
and will translate well?

This is an example:
"knock knock"
"Who's there?"
"Banana"
"Banana who?"
"Banana cream pie"

did you see this? It is really good
http://sakura01.bbspink.com/test/read.cgi/eroaa/1091724594/