used in instant messaging, "iono" is commonly known to mean "i don't know." you usually use it with stupid questions like "how do dogs have sex?"
nicole: how do dogs have sex?
me:oh my god iono.
by katizzle lafawnduh February 25, 2008
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Honestly, has anyone even heard this word used in an everyday conversation?
"I can say the word 'iono' and none of you will have a fucking clue what it means!"
by PoopX February 1, 2004
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i dont no just sound it out if you needed this your jus stupid
"whens that test"
"iono"
by Kevin January 24, 2004
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Steve: "How's this look?"
Jerry: "Iono. Okay, I guess."
by IKe February 8, 2004
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Iono means "to not know" It's a shortening for "I don't know"
Mum: Why haven't you cleaned your room?!
Child: iono

Police Officer: Why did you feel the urge to steal £3000 from the city bank?
Kid: iono
by Steph November 16, 2003
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a user called iono's catchphrase, they have said it over 400 times and iono is very cool. can be a convo starter and also the other user can repeat back saying that they are iono and it will cause chaos.
<iono> hi im iono
<user> no im iono
<iono> rahhh no ur not
by ionoiscool November 6, 2023
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Indifferant form of I don't Know
-What time do you have to leave
-iono
by ... February 6, 2004
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