A girl looks with comic disgust at a guy who falls asleep with a bottle of beer at a party; her friend laughs. (Photo by Edward Corbett/Rex Features/Shutterstock)

Woman taunts naked man. (Photo by riskms/Getty Images)

Female female male threesome. My bit on the side is my best male friend. (Photo by Laoshi/Getty Images)

Group of blow-up dolls and women. (Photo by Zomi/Getty Images)

The Spanking. (Photo by Vika Valter/Getty Images)

Office sеx. (Photo by Orange-Melody/Getty Images)

Photographer holding digital camera during photoshoot of fashion model. (Photo by grinvalds/Getty Images)

Close up of a couple, with the woman holding the man's knee, underneath a table. (Photo by Peter Dazeley/Getty Images)