Juice that turns the user onto the yeehawversion of themselves and a strong urge to fuck they're siblings
As billy took a sip of his apple juice that was conveniently labled, he noticed there was anouther lable underneath. But it was too late. As he looked at the lable that said yee yee juice, he could feel his clothes changing to his hillbilly version of himself as he looked at his sister and realized that she didn't look to bad. And on that day, Billy Bob Joe was born.
It's a meme on tik tok, someone drinks it and they transform into a cowboy. Most often the song Old Town Road by Lil Nas X is playing in the background.
music: take my horse to the old town road...
tik tocker: drinks water labelled yee haw juice
tik tocker: suddenlydressed up like a cowboy