What is Sweaty Sleep Mask?
1.
The act of stretching one's scrotum into a batwing like shape and proceeding to stifle one's sexual partner by putting said stretched scrotum on face of partner.
*muffled scream* Amanda: "WHAT THE FUCK?! IS THAT A VEINY BAT WING?" Ahab: "No baby, its a sweaty sleep mask."
See