Cosmic Rust Face Mask
When a woman sits on your face for so long that the pussy juice begins to harden on your face and you are able to peel it off.
Matt: “bro what’s on your face.” Brendan: “I just got done hanging out with Anna and she sat on my face for so long that I got a Cosmic Rust Face Mask!” Matt: “bro that’s awesome, I’ve always wanted one!”