1. Last letter of the alphabet.
2. Sleep
3. A grade so bad you'll wish you were never born.
4. The modern Swastika thanks to Russia.
(sends a z to a group chat to indicate he's going to sleep)
American: I too should catch some z's. Good night!
Eastern European: We'll make you eat those words with Ukrainian gunpower as you watch Russian snuff films.
The last letter of the Roman alphabet, pronounced as zΔ or zed depending on the continent you live on. It is arguably the least used letter in the Roman alphabet, with other options being x or q. It is next to y in alphabetical order and is next to x on the QWERTY keyboard.