The equivalent of the word "True" usually used to indicate agreement to something. It doesn't flat out replace the word 'true' in every situation, only when you agree to something that was said.
In the examples, the word (true) is replaced by trizz.
Person 1: She's so pretty!
Person 2: Trizz, she can be model
Person 1: That party was live last night!
Person 2: Trizz, that party did one thing!
Person 1: I just won a million dollars you want half of it?
Person 2: Trizzzzzzz