At the end of the day, I asked two kids in the class to help me clean up:

Me: “Guys, do me a favor– one of you help put up the chairs, and the other please help pick up the atrocious amount of pencils that have been left on the floor.”
(kids burst out laughing)
Me: “Ok, I don’t know why that’s so humorous, but go ahead and get started, please.”
Kid 1: “Can WE use that word you used?”
Me: “Umm…sure.”
Kid 1 (to Kid 2): “Ok, YOU pick up the chairs, and I’LL pick up the asshole-ish amount of pencils on the floor.”
Me: “Woah woah woah WOAH. No! I said ATROCIOUS amount of pencils!”
Kid 1: “Oh. That changes everything.”