iono 

another messenger acronim for "i don't know" or "idk"

"iono, what do you want to do"?

iono by Trey Wiesen (TDB) July 31, 2006

iono 

used for text message/aim for the phrase "i dont know".

person a: "do u like mike?"

person b: "iono"

iono by sc12een17am3 August 10, 2005

iono 

i dont know okay bitch

Person A: When are you comin over ?
Person B: iono anytime

iono by duckysduckysduckysbitch June 6, 2022

iono 

Redneck for "I don't know."

Iono what yer talkin' 'bout.

iono by Sami January 25, 2004

iono 

The slurred version of the phrase: I don't know.

Jim: Hey, fag, wake up! I need to know where you put my makeup.
Besty: Iono.

iono by Justine February 1, 2004

iono 

what people who are too thick to type 'i don't know' use

iono if i'm a buggery tosser

iono by SEX IS FUN!!!!!! February 4, 2004

iono 

A lazy mispelling of "I dunno," derived from "I don't know."

Person 1: Hey, where can I DL some warez?
Person 2: iono
Person 1: WTF?!

iono by Eric Shi February 6, 2004