The bronzed finish on a middle aged woman's labia minora. On a typical Rusty Cunt Bucket, the flaps will be loose and hanging low, swing low sweet chariot. Also used as an insult or in venting fury or road rage.
This term refers to the smell of blood. The smell of blood resembles the smell of a bucket of rusty nails.
When I went down on my wife the other night the room was dark and I could smell a bucket of rusty nails. Then I realized she just started her period causing me to get my red wings.