yeah i dunno

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

I dunno k

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 May 5, 2012