Danger Monkey, age 8: “I’d like to play in that trench.”
Me: “Actually, we call those ravines or maybe gully. A “trench” is something that was dug by people.”
DM: “The deepest known spot on Earth is the Marianas Trench. It is located in the Pacific Ocean and it was not dug by people.”
Me: (slow blink)
Me: “Yes, you are absolutely correct. Call it whatever you want. Now go get dirty.”
And he did.