Oisin Hayes

a word 2 describe a black slang word.

(yo oisin hayes want to cum 2 d crib?)

by joe bloggs woz ere January 6, 2008

Oisín

A person who says he isn't gay even though everyone knows he is gay. They often says they have the power of women on their side but this is not true. They are also shit at Tetris.

"Oisín you are gay. Everyone knows it. You are also shit at Tetris."

by Thomas the chad April 27, 2022

Olsoned

The act of getting dimed out by a co-worker or someone you thought was cool.

Hey it wasnt me that tossed your rack, It was Jacobsen! Ha I just olsoned jacobsen.

by Andy Blacke April 28, 2008

Olson Protocol

A virtual and or mechanical limit established to prevent people from exceeding a previously thought, unattainable, theoretical maximum.

IT Guy: Dammit, system resources are being completely utilized again. Someone's tieing up every server with a SQL query.
IT Guy 2: I didn't think it was possible to tie up all the servers with one query. Invoke the Olson Protocol.

by funkyfred July 13, 2017

oisin mooney

A ginger lad who has Huge tits and always gets friendzoned

Girl:sorry we're just friends
Ryhan:get im an Oisin mooney

by Coke and weed (chewy) April 18, 2018

osonowo

FAGGOT.

LOOK AT HIM, DEFO A OSONOWO

by FCBCXH October 15, 2018

Oisin

A person who will not date people from 7 country’s and has a genuinely small dick and this is the acto of putting your wang into a mans ass

I like to Oisin with mike

by Sloppy wang May 7, 2019