Being constantly dehydrated due to regular consumption of caffeine containing drinks.
"No wonder she looks like a wrinkly prune. She's totally teahydrated from being jacked up on Earl Grey."
The state in which one is dehydrated due to a lack of Tea.
Side effects include: Irritability, stress, and nausea.
Consumption of said tasty beverage usually relieves all side effects of teahydration.
"You seem a little on edge today man."
"Yeah my bad, I think I'm just teahydrated"
"No worries, we'll stop at the next convenient store and get you to drink up."