Women in lingerie touching each other. (Photo by BDLM/Getty Images)

Germany, Business couple making love under desk. (Photo by Roman Maerzinger/Getty Images)

Woman and man playing domination games in bed. (Photo by NDAB Creativity/Rex Features/Shutterstock)

A protestor gestures during clashes with police during protests against planned fuel price hikes on March 27, 2012 in Jakarta, Indonesia. Thousands of Indonesians students in big cities all over the county gathered to protest the governments plans to increase the price of subsidized fuel by 30 percent. The Indonesian parliament is currently debating the fuel hikes which would go into effect March 25, 2012 if approved. (Photo by Ulet Ifansasti/Getty Images)

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)

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

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