If you're sick and tired of lacking knowledge about butts, therefore becoming the butt of various butt connoisseurs' jokes, then you've come to the right place. You will no longer look like an ass once you've learned these nine amazing ass-related facts.
1. People have been mooning each other since the 1st century CE.
![butt facts, mooning a train]()
It is believed that presenting your naked buttocks to someone as an insult originated with the Romans. So, you know, when it Rome.
2. Your butt is the largest muscle in your body.
![butt facts, butt largest muschel, kim kardashian ass]()
Gluteus maximus is not just a clever name, and it does a lot of work every day keeping your torso erect.
3. If you are callipygian, that means you have a well-shaped hiney.
![butt facts, callipygian]()
It's a very difficult word to say, but if you can pull it off, you can probably get away with commenting on people's fine asses all the time, as they will have no idea what you're talking about.
4. If you are dasypygal, that means you have a hairy ass.
![butt facts, borat ass]()
But that's not to say you can't be callipygian, as well.
5. The scientific name for sexual arousal caused by the buttocks is called pygophilia.
![butt facts, obama looking at butt]()
It is derived from "pygo," the ancient Greek word for rump, bottom, or the posterior of a body, and "philia," one of several ancient Greek words for love.
6. When it comes to spankings, women prefer to get spanked as opposed to doing the spanking.
![butt facts, butt spankings]()
And vice versa for men. This fact comes to us from the very official British Sexual Fantasy Research Project.
7. Men like the curve of the butt more than its size.
![butt facts]()
It's science. (Seriously, it was backed by a study from the University of Texas.)
8. Roughly one-third of all people engage in anal sex.
![butt facts]()
It may still be illegal in 12 states, but that can't stop 34 percent of men and 30 percent of women from having a little backdoor fun.
9. Surprisingly, women prefer to be complimented on their butts more than any other body part.
![butt facts, butt compliments, nice ass gif]()
That's right, gents. The way to a girl's heart is by saying something nice about her ass. According to a survey conducted by both Men's Health and Women's Health magazines, one-third of respondents chose butts as their favorite body part to be complimented on, narrowly edging out eyes and breasts.
h/t Distractify
1. People have been mooning each other since the 1st century CE.

It is believed that presenting your naked buttocks to someone as an insult originated with the Romans. So, you know, when it Rome.
2. Your butt is the largest muscle in your body.

Gluteus maximus is not just a clever name, and it does a lot of work every day keeping your torso erect.
3. If you are callipygian, that means you have a well-shaped hiney.

It's a very difficult word to say, but if you can pull it off, you can probably get away with commenting on people's fine asses all the time, as they will have no idea what you're talking about.
4. If you are dasypygal, that means you have a hairy ass.

But that's not to say you can't be callipygian, as well.
5. The scientific name for sexual arousal caused by the buttocks is called pygophilia.

It is derived from "pygo," the ancient Greek word for rump, bottom, or the posterior of a body, and "philia," one of several ancient Greek words for love.
6. When it comes to spankings, women prefer to get spanked as opposed to doing the spanking.

And vice versa for men. This fact comes to us from the very official British Sexual Fantasy Research Project.
7. Men like the curve of the butt more than its size.

It's science. (Seriously, it was backed by a study from the University of Texas.)
8. Roughly one-third of all people engage in anal sex.

It may still be illegal in 12 states, but that can't stop 34 percent of men and 30 percent of women from having a little backdoor fun.
9. Surprisingly, women prefer to be complimented on their butts more than any other body part.

That's right, gents. The way to a girl's heart is by saying something nice about her ass. According to a survey conducted by both Men's Health and Women's Health magazines, one-third of respondents chose butts as their favorite body part to be complimented on, narrowly edging out eyes and breasts.
h/t Distractify