When you are trying to make fun of someone for being bad at something instead of saying, " you suck" you can instead say," Boi you donkey cheeks!" Therefore implying you are so ass at something you are ass compared to an actual ass's ass.
Boi you are donkey cheeks at touch football you couldn't catch the ball if it were the size of a watermelon.
That which allows a Democrat to do, say, or behave in ways that would have a Republican's house burned down, his land salted, and his family sold into slavery.
Remember when Hillary called young black dudes "Super-predators" and people voted for her anyway? That donkey privilege is kicking in big time.