It is derived from: "I do not know"
It was changed to: "I don't know"
Then: "I Dunno"
"When did that happen!?"
another way of saying "i don't know"
often used in online chatting
Conjuntion of "I" and "dunno
"Where'd all the pie go?!"
"umm... I'unno... "
I dont know.
i unno where my keys are.
A phrase most frequently used over the internet. This is a polite way of saying " I don't wanna do what you wanna do , so fuck off . "
" Dude, wanna come over? "
" I unno man "
" .. "
"I dont know", but really fast.
Usually AIM slang.
lkdsf0990 : "what did you do today?"
a word used in conversation when the person is severly bored and uninterested in the current discussion. usually used by those who are lazy and fatigued.
Tim: dude, what topic are you choosing for your english essay?
Tim: dont you have any ideas at all?