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?"
by katizzle lafawnduh February 25, 2008
by PoopX February 1, 2004
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Slang for "I don't know"
by IKe February 8, 2004
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
Child: iono
Police Officer: Why did you feel the urge to steal £3000 from the city bank?
Kid: iono
by Steph November 16, 2003
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.
by ionoiscool November 6, 2023
Indifferant form of I don't Know
by ... February 6, 2004