Where does come from?
Officially called the peach emoji, the butt emoji was first introduced in 2010 under Unicode 6.0. As its fuzzy, cleft appearance looks like a plump rear end, the peach emoji quickly came to stand for buttocks on social media and in text messages, especially a woman's in sexual contexts.
In 2016, Apple released an updated version of the peach emoji that resembled the fruit more than the anatomy, but the change was met with such popular uproar that the company reverted to its original design.
Who uses ?
The peach emoji is very occasionally used to represent peach and peach-based foods (e.g., I love peach cobbler 🍑).
In most uses, the emoji supplements or substitutes for various senses of "butt" or "ass." Contexts include personal fitness (working on my 🍑 today at the gym); humor and slang (don't be a butthead 🍑); physical attraction (Look at the ass on him 🍑 🍑 🍑); and sexually-explicit content (I want your 🍑). In sexual contexts, the peach/butt emoji is often paired with the eggplant emoji 🍆, standing for "penis," and the sweat droplets emoji 💦, standing for "ejaculation." Together, they are used to suggest or describe intercourse.
Outside of adding emphasis or color, the peach/butt emoji is often intended as a euphemism for "butt" or "ass" (got fined out the 🍑).
Just look at that 🍑. The perfect pose💪.
@tarawoye, April, 2018
all the females on my momma side got BIG ASSES 🍑🍑🍑
@_BOSSassnigga, December, 2013
I don't think so! It's too late! The whole 🌎 dislike him and btw he's an 🍑 hole
@dombail, September, 2017