Sex is a special, intimate act between two people, in which they can express their passionate undying love for each other. And it's also totally hilarious. In school, everyone giggles when they hear the words "nipple" and "butt" and "please turn to page 69." And as you get older, sex remains funny. Classic comedies like American Pie, Superbad, and The 40-Year-Old Virgin turn embarrassing erotic misadventures into huge laughs. Also, it's the foundation of every "That's what she said" joke.

But the funniest comments about sex come from a real place, exposing the honest thoughts and feelings people have, but don't always communicate. And thanks to social media, we can find a lot of them. Here are 16 filthy posts about sex that will make you cry with laughter.

While sex jokes can be overdone, they also never stop being funny. Maybe it's because when people have intercourse, they put themselves in a vulnerable position, and it helps to laugh to ease the tension. Or maybe it's because different genders treat sex so differently. Or maybe dirty words are are just inherently hilarious. I don't know. All I know is, if you want to find sexual humor on the Internet, it's not hard. That's what she said.

In a related story, here are 11 of the most awkward things that have happened to people while having sex..

Sex is a special, intimate act between two people, in which they can express their passionate undying love for each other. And it's also totally hilarious. In school, everyone giggles when they hear the words "nipple" and "butt" and "please turn to page 69." And as you get older, sex remains funny. Classic comedies like American Pie, Superbad, and The 40-Year-Old Virgin turn embarrassing erotic misadventures into huge laughs. Also, it's the foundation of every "That's what she said" joke.

But the funniest comments about sex come from a real place, exposing the honest thoughts and feelings people have, but don't always communicate. And thanks to social media, we can find a lot of them. Here are 16 filthy posts about sex that will make you cry with laughter.

While sex jokes can be overdone, they also never stop being funny. Maybe it's because when people have intercourse, they put themselves in a vulnerable position, and it helps to laugh to ease the tension. Or maybe it's because different genders treat sex so differently. Or maybe dirty words are are just inherently hilarious. I don't know. All I know is, if you want to find sexual humor on the Internet, it's not hard. That's what she said.

In a related story, here are 11 of the most awkward things that have happened to people while having sex..