The perchanger is the 'child safe' word for vagina
lips. This is often the choice phrase when needing to mention the lower parts of ladies anatomy in front of those who should remain oblivious to the subject matter.
Her: That cream is really burning my perchangers
The common skin blanket is what's used during the winter months to assist your partner to keep warm whilst both parties are naked. Skin blankets are an excellent way to enjoy winter nights.
It's often best practised immediately before or after making love to ensure maximum warmth for both parties.
Her: Skin blanket
Him: No way, I'm off to work!
Her: Skin BLANKET!
Him: Ok, but I'm off in 2 minutes.