It's one of the greatest insults known to man. No, it's not swearing or — gasp — saying you don't like someone's outfit.
It's giving the middle finger, also known as flipping the bird or the one-finger salute. Whatever you want to call it, the translation is pretty clear. It's used when you want to tell someone off with your hands, like when someone betrays you or a driver cuts you off.
But when did it become so offensive? Here, we take a look back through history.
In ancient Greece, the meaning behind the middle finger was used to symbolize sex. The middle finger represented the male’s private parts, while the rest of the curled-up fingers were the testicles.
That would be pretty weird. Those in Ancient Rome took this one step further.
While the middle finger also symbolized sex for them, it wasn't the passionate, sweet kind.
In other words, threatening anal penetration.
Somewhere along the way in history, the meaning behind the middle finger deviated not too far away from sex. It does mean, "[expletive] you," after all.
According to Complex, the first documented image of the middle finger was taken in America. This was during a team photo of the 1889 Boston Beaneaters. Charles “Old Hoss” Radbourn can be seen giving the finger over his teammate's shoulder.
Johnny Cash's most iconic photo is a photo of him flipping the bird during a concert at San Quentin State Prison. He used it to show his disdain for the warden after the photographer asked for a picture.
This was after he had won the governorship of Texas. But since it was a tight finish between him and his Democratic rival, Ann Richards, the gesture was seen less as victory and more as "go to hell."
This was Pierre Trudeau, the father of current prime minister Justin Trudeau. While on a train in 1982, he gave the middle finger to a group of protesters in western Canada.
It's hard to imagine the mild-mannered Justin Trudeau ever doing the same. He even dodged questions about his father's most controversial moment during interviews in 2017.
It's appeared in several films, such as The Breakfast Club, The Matrix, The Wolf of Wall Street, and even Titanic.
Rose (Kate Winslet) flipped off Lovejoy, the henchman who was chasing her and Jack throughout the ship.
Like many other things, we have society to blame. Since we were kids, we were taught to keep our fingers out of our noses and our fingers to ourselves.
Like when the NFL apologized on pop star M.I.A.'s behalf for giving the middle finger during her Super Bowl performance with Madonna.
This was about as obscene as when Janet Jackson's breast accidentally showed during her performance with Justin Timberlake.
So, will the offensive meaning of the middle finger ever stop? Probably not. But is it still fun to do sometimes? If you want to feel like a rebel, sure.
