Inspired from the word starvation, thirstation means to go without water or thirst for an extended period of time.
Thirstation- to go without water for an extended period of time
World thirsation is a potential threat if freshwater resources continue to be exploited unsustainably.
It's "the act of" being super duper thirsty. On a scale, it's a cunt hair more than being just thirsty and hog's tether from being completely dehydrated. In other words, it's smack dab in the middle.