Wiktionary
your butt
pron. (context colloquial the second person singular English) you.
Usage examples of "your butt".
You need to spend more time with your butt in a saddle and less with it on a throne.
Christ, Margo, did you expect me to sit around on the beach while they were toying with tossing your butt in jail?
How many times I had to swat your butt when you were growing up, that sort of thing.
The way your jeans hug your legs and your butt, the way that blue shirt brings out the highlights in your dark eyes, the way your jacket shows off your broad shoulders, the way your belt calls attention to your narrow waist.
I hoped he made up his mind soon because it was awkward holding a shooting stance while sitting on your butt.