A pair of womens' panties. A woman's bush is hairy like a squirrel, hence, why they call them squirrel covers.
by Moose August 30, 2004
Undergarments that cover a hairy vagina.
"I'd love to take you home and pull off your Squirrel Cover with my teeth so I can get at that bushy brown tail"
by me October 29, 2004