shortened version of "i dunno", which is a shortend version of "i dont know", which is a shortend version of "i do not know"
Iono where your pencil is, find it yourself!
by karate December 7, 2003
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Basically the same thing as iunno, it is a quickened version of "I do not know", used in both chatting and in informal speech.

It's history may trace back to Homer Simpson, who often makes a sound that is in between "iono" and "iunno". (Says a lot about his intelligence, doesn't it?)
PersonMan: So, whatchu up to tonight?
TriangleMan: iono. How bout j00?
PersonMan: iono.
TriangleMan: das coo.
by Mallio November 19, 2003
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12 year-old internet chatter's way of saying "I don't know."
What are you doing this weekend (besides using the computer)?

Iono.
by Isi Oamen February 8, 2004
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1)uncertainty
2)used when answer is unknown
Yo Mang! What's the weather look like today? He then replies,"IONO".
by bill February 4, 2004
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This is the slang version of the phrase, "I don't know?"
iono ho, r u a boi or a grl?
by chris g October 26, 2003
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Short for 'I Don't Know'...used by pimps,hoes,thugs and geeks online
I ono man...something really wrong with these hoes
by thef8lfox February 6, 2004
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