Is essentially someone who is annoying and naggy. These are the people who take the fun out of things or are people who ask a lot of someone else. Most commonly a seen in married women.
Example One: I woke up this morning and my wife had a huge list of shit from me to do! She is a total ass chapper!
Patty: Jason, take out the garbage, paint the fence, do the dishes and then fold the towels
Jason: You're totally chappin my ass right now!