A word used to express a feeling of surprise, savageness or scoffing.
The word you say when somebody else in your class got wrecked by the teacher.
The word you say when somebody else in your class gets three times more homework.
The word you say when you're commenting on a savage joke by someone else.
Teacher: You're getting a detention!
Me: chai!!!!
Teacher: Whoever doesn't do their homework will have to write 1000 lines!
Everybody: chai!!!!
Bill: Bro, I went to Disneyland!
Tom: When?
Bill: On Saturday!
Tom: No, when did I ask?
Me: chai!!!!