A clean beaver is a happy beaver.
gee what happened to good old janitor in a drum?
OUCH!
http://img1.loadtr.com/b-413953-Beaver_Animal.jpg
She doesn't look all that happy to me:
"Look, was bad enough being an enormous rodent who subsists on tree bark before you stupid effing humans came along with your jokes about female genitalia..."
If a clean beaver is a happy beaver then what is a shaven beaver?