Assheckler

Someone who is really into anything anal related and refuses to stop heckling his/her partner for unfettered access to the backdoor.

Dick: "Come on, girl just let me have a piece of that sweet ass--it's so perfect!!"
Jane: "Don't touch my booty, it's not the thing to do."
Dick: "Just let me get in there a little bit, girl. We can go slow."
Jane: "Back off, you damned Assheckler!!!"