It's just complete confusion and laziness rolled into one. When your really not sure if you want to do something but don't want to give a straight up answer
Hey joe do you want to stay at home or go bunjee jumping?
Betty the thing is well yeah I dunno
Literally, "You don't know", but meant ironically because your homie does know.
"y0 Tone, u get mad high at the party, fam??" - "DUNNOE"!
The flex is done, the motive and or action is no longer the plan or is finished.
Its a dunno flex for that man
Aii, dunno flex man I gotta go home.
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"
crafter_09;You do you think livarpool is winning the uel
Flatgus:I dunno