by xxmeowmeow June 6, 2019

It means "later" or "bye" in Toronto Slang. Mainly used by Toronto Mans to be exact. Also sometimes know as "you don't know"
Example #1: Toronto Man-"Yoo,mans gonna head out fam,dunno"
Example #2: Toronto yute: " I swear mama,I dunno who did it"
Example #2: Toronto yute: " I swear mama,I dunno who did it"
by Black Airforce Nigga May 18, 2020

by grrpoww July 3, 2022

Back in the days Jungle and Drum and Bass was it.
We used it as even Wikipedia knows under “Toronto Slang” better than Urban Dictionary!
My understanding was and is always: You doing know! 😊
We used it as even Wikipedia knows under “Toronto Slang” better than Urban Dictionary!
My understanding was and is always: You doing know! 😊
MC says to the crowd: You dunno!
We used it as even Wikipedia dunno under “Toronto Slang” better than Urban Dictionary!
We used it as even Wikipedia dunno under “Toronto Slang” better than Urban Dictionary!
by deEr. April 8, 2024

When someone ask you a question but you don’t know the answer. It’s basically I don’t know but saying it faster.
by Katiebabyy February 27, 2020
