[Ryan makes a similar face trying to think. Evidently it's not something so integral to his life that it instantly causes pain, but nothing's really coming to mind.]

Not...really? I think I know what regular skis are - like, the long sticks that go on your feet for the snow? What's a jetski?

[A soft gasp, and then he looks almost starry-eyed.]

Is it skis with jets on them?!