thunderstanding 

Quickly understanding.

"I am thunderstanding why doing a poo on a road is a bad idea."

thunderstanding by LachyP7 January 11, 2014

chunderstanding 

To be chill and understanding at the same time

Bill: I just ate dog crap, didn't I?
Sam: Yup, I tricked you.
Bill: Oh, I guess that's allright.
Sam: Thanks for being so chunderstanding

chunderstanding by asdfsdsdas December 26, 2008