the stain that is left behind on your black jeans after a naked girl sits on your lap.
Aughhh get her off me, she's cookie staining my pants!
by Blackmeowcat July 14, 2004
stains left over from cookies that were crushed on the ground by someones feet.
I was in the bowling alley and found cookiestains on the lane from the kids party before.
by Bowlgd84 October 20, 2009