It means he doesn't know and he doesn't care okay? Usually said after someone asks the same question over and over again
Bob: hi eric wheres my ruler

Eric: I dont know.

Bob: hi eric wheres my ruler

Eric: I DUNNO K!
by fattieoftheworld February 23, 2012
Get the I dunno k mug.
When someone ask you a question but you don’t know the answer. It’s basically I don’t know but saying it faster.
Her: hey lets go out tonight
Him: ok
Her: where do you want to go?
Him: I dunno
by Katiebabyy February 27, 2020
Get the I dunno mug.
That thing she always said. When she knew she had nowhere else to run. All the loose ends were tied up, all the different variations of endings in the mystery novel were understood.
You: "Hey where'd that <incriminating object> come from?"
Her: "I dunno."
You: f'This reminds me of some shit from a movie. What the fuck, {self.girlfriend.name}?'
Her: "I dunno..."
You: "Nah we saw one like last week and it had this same incriminatory content and a suspect that had no real lines."
Her: "Oh yeah, I remember that."
by midinerd March 19, 2019
Get the i dunno mug.
Some shit box football player from silverthorn c.i with his own shitty dictonary.
Lamar dunno mclean is a wasteyoute
by sci stud November 17, 2010
Get the lamar dunno mclean mug.
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
by Bronzac Burley March 9, 2015
Get the yeah i dunno mug.