Dry Up
Thirst
A tsunami hits the sun, where you're in prison with a spoon trying to catch some of it before it starts to dry up. Being in prison on the sun means your thirst is truly great, and this spoon will help you quench it when the tsunami comes.
かつ
かわ
None
This method of quenching your thirst reminds you of being in a car wash (かわ). The water pours over you in waves, and you're stuck inside a metal cage. Totally the same thing as a car wash, right?