Means see ya later in Toronto slang

short for Don't Know

(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.

The original definition is slowly being replaced by the grime definition. Dunno or Dunn'no is referenced after or during a saying of which the general public are assumed to not knowing - hence hightening your reputation on the mere basis that you know something others dont.

It is also known as a "big up" or shout out.. "Big up wiley, dunno"

It means that someone does not know of something or someone.

To don't know something!