iono 

when you cant be bothered saying or typing i dont know. commonly used by everyday aussie teenagers

person1: so how do you do... blah blah blah
person2: iono y ask me

iono by claire January 29, 2004

iono 

it's internet slang, stands for I don't know. Sort of similar to the noise most people make instead of saying i don't know.

-what are you doing tonight?
- iono

iono by Heather January 29, 2004

iono 

quick version of "i don't know". could be used to blow somebody off, or could be used if you genuinely "don't know".

where's the party at tonight? iono, ask Alicia.

iono by Braxton January 31, 2004

iono 

i dont know

"What You Think about this" U SAY "Iono

iono by Lena February 1, 2004

iono 

Indifferant form of I don't Know

-What time do you have to leave
-iono

iono by ... February 6, 2004

Iono 

Short for, "I don't know"

Iono when I will be there.

Iono by johmg September 8, 2010

Iono 

If you sound it out its supposed to sound like i don't know

"Iono if I can go to the party today"

Iono by Onfleekdafuq July 8, 2016