It is a joke because in the background of the last panel...

Author: dikrok

Date: March 9, 2008

by dikrok
3-09-08
Meanwhile...
Three rapes in the same day! You sure know how to spoil a girl!
Mrs. Wilmington, can I be honest with you about something?
Sure, Chester, what is it?
It's actually me, Estephan, Chesters brother. We've been switching off.
This is... I can't believe this... I feel... MILFY TO THE MAX!!!
You know what they say, it takes a village!