A teacher or class that completely overwhelmes you with intensity and cruelty. Zhi puts you through the ringer, eats your brain, and turns you into a zombie. Makes you forget what it was like to have a life, be lighthearted, or play in the sun. Shuts the light out, eats your soul, and suddenly you improve exponentially. When you've been exposed to the Zhi, you're never the same again.
"You've been Zhi'd!"
"You've been Zhi-ilized!"
"You have learned the way of the Zhi."