"How do you know until you’ve tried it?” is a popular refrain from many people hoping to convince a partner to try a threesome. For various reasons, many who crave two-on-one action expect to hear "hell no" from most people. 

Whether or not the act is taboo, labeling it as such can make it feel subversive, and thus naughty and ultra-sexy. In addition, threesomes might not be anywhere near as irregular as we've been led to believe. In fact, they've existed in art for many centuries.

Threesome shown in a Chinese scroll, 1800s

From carvings of ancient orgies, to renaissance paintings, to “two brunettes share a big dick,” here’s a look at threesomes throughout the ages: