A common short form for "indicators of interest", which is a phrase commonly found on forums for dating advice. Mostly describing the behaviour of women when noticing guys (at a club/bar)
- At a club, guys go after the girls who show IOI's.
- At a club, guys go after the girls who show IOI's.
by Gandolf Randolf September 11, 2008

an acronym for the words "I'm Over It". not to be confused with the term "lol". they may look alike, but soon enough everyone will be using ioi more.
by 36scores June 20, 2011

by pat_ February 22, 2003

a funnier and quirkier version of lol patented by Hernan in a failing effort to seem more interesting
by DefinitelyNotHernan December 8, 2021

Shortened form of I'm over it.
by Jolt Estevez November 23, 2018
