Another word for word
Meaning: agreed, yes, right, etc.

Slang for goodbye or see you later

Mean bye you dumbshit

short for Don't Know

Means see ya later in Toronto slang

(Slang) - pronounced- Don't know
I Don't know.
Also, you can use it as the same pronunciation such as these sentences:
I Don't wanna (produced/I du wanna)
I Don't feel

I Don't think.....etc

Generally speaking, a short version of "don't know." Can be used for all emotions conected with I don't know, but most commonly for doubt or confusion.