Stands for "Out Loud Orgasm." A very attractive person, even more attractive than George Clooney in the eyes of a 50 year old woman. An 11 out of ten on "the scale."
by NaNaNaNina May 19, 2013

Someone who is laughing too loud and accidently type OLO; or is a geek named Brad and uses it as a smiley face! Can also be used multiple times to show being stupid on purpose. See lamer
The Archer Ian: Hi!
Schala Zealz: OLOLOLOLOLOLO
The Archer Ian: Hey Brad did you see that really funny movie where this guy farted?
Kefka505: oLo;; Nope...
The Archer Ian: I farted on my cat who's allergic to farts!
UnusualGamer: OLOLOLOLOLOLOLOLO ^^!!! XDXDXD
Schala Zealz: OLOLOLOLOLOLO
The Archer Ian: Hey Brad did you see that really funny movie where this guy farted?
Kefka505: oLo;; Nope...
The Archer Ian: I farted on my cat who's allergic to farts!
UnusualGamer: OLOLOLOLOLOLOLOLO ^^!!! XDXDXD
by Ian March 25, 2004

'Ownself laugh ownself'. When someone cracks a joke and laughs loudly, even if no one else finds it funny.
by BYzhou February 6, 2017

1-Derrin had an OLO when he felt Daniels fluffy neck
2- xavier had an OLO when he killed a baby panda
2- xavier had an OLO when he killed a baby panda
by CrownedFox August 7, 2011

When me and a friend were chatting in an IM, I misspelled 'lol' and typed 'olo.' Thus we decided to call it an 'old lesbian orgy.'
by Coty Capps September 21, 2008

by Sally Sea shell March 31, 2019
