IOI

An Indicator of Interest. Jargon used by a PUA. When he is talking to a girl, she will IOI him with subtle things, a trained eye can pick these up easily.

After three IOIs it is possible to go in for the kiss

Examples of IOIs:
1. If she starts playing with her hair
2. If she laughs at things that are not funny (being giggly)
3. If she asks you her name
4. You squeaze her hand, she squeazes back.

by Kurent August 13, 2006

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IOI

A place antisocial nerds without lives from all over the world go every year to show off the proof that they haven't done anything except sitting in front of a computer practicing programming for the past 4 years, while being awkward and not really talking to anyone.

Hey babe! I just got chosen for my country's IOI team! Oh wait, I don't have a girlfriend

IA-chan told us to not do touch the banana lol!

by some ioi participant December 30, 2019

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IOI

I.O.I also known as IOI or Ideal of Idol is a South Korean girl group formed by CJ E&M through the 2016 reality show Produce 101 on Mnet. The group is composed of eleven members chosen from a pool of 101 trainees from various entertainment companies: Lim Na-young, Kim Chung-ha, Kim Se-jeong, Jung Chae-yeon, Zhou Jieqiong, Kim So-hye, Yu Yeon-jung, Choi Yoo-jung, Kang Mi-na, Kim Do-yeon and Jeon So-mi. They debuted on May 4, 2016 with the mini-album Chrysalis, and are expected to actively promote either as a whole or as sub-units before returning to their respective agencies.

I love IOI!

by jennie kim December 26, 2016

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IOI

I.O.I also known as IOI or Ideal of Idol is a South Korean girl group formed by CJ E&M through the 2016 reality show Produce 101 on Mnet. The group is composed of eleven members chosen from a pool of 101 trainees from various entertainment companies:
- Lim Na-young (December 18, 1995)
- Kim Chung-ha (February 9, 1996)
- Kim Se-jeong (August 28, 1996)
- Jung Chae-yeon (December 1, 1997)
- Zhou Jieqiong (December 16, 1998)
- Kim So-hye (July 19, 1999)
- Yu Yeon-jung (August 3, 1999)
- Choi Yoo-jung (November 12, 1999)
- Kang Mi-na (December 4, 1999)
- Kim Do-yeon (December 4, 1999)
- Jeon So-mi (March 9, 2001)
They debuted on May 4, 2016 with the mini-album Chrysalis, and are expected to actively promote either as a whole or as sub-units for less than a year before returning to their respective agencies after January 2017.
The band officially disbanded on January 29, with the member's last televison show appearance on MBC's Section TV and the fan cafe closing down on the 31st.

See you in 5 years, IOI!

by jennie kim January 29, 2017

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