So, what's a fireboat? 'Oh, I know this one. That's when you light a boat on fire and set it on a collision course with enemy warships!' "Ah, n-no! It's a fire engine on water. I put fires out, not start them!" 'Oh. Right, that makes more sense. Though to be fair, our fire department consists of a pyromaniac and an arsonist …' And they do their jobs admirably, Lottie. Be nice. 'It's still true …'