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The family of bullies in the Adam Sandler movie Billy Madison that always say, "O'Doyle Rules!" after bullying people.
High School O'Doyle- "O'Doyle Rules!"

Billy Madison- "O'Doyle, I have a feeling that your whole family is going down. But right now, I have to study."
O'Doyle by Joe Kickass II June 29, 2006
Urban Dictionary Merch
Family of bullies originating from the Adam Sandler movie, Billy Madison. O'Doyle has gained respect over the years and for some has become more than a person. He is an idol, a mentor, and an alter-ego.
You ruled like O'Doyle downing that bottle of Jack.
O'doyle by O'Doyle April 5, 2005
a name for a boy with anger management, usually a ginger
o'doyle by hutag June 30, 2010
Any one who engages in stupid pranks and jokes in order to sick humor and often times failing horriblly.
I can't believe that O'doyle think anything he does is funny.
O'doyle by Tyrumble July 2, 2006

O’Doyle Rules! 

1. A catchphrase taken from the comedy film Billy Madison.

2. An underground pre-YouTube era saying used by pranksters to identify themselves as the mastermind of a successful prank.

3. A declaration of victory or domination in nearly any situation, an ancestor of Pwnd.

4. Used in certain instances, ironically or as a retort (adding insult to injury), by an underdog who claims victory over a highly arrogant opponent after said opponent had stated his/her victory was assured.

5. What one may say after having sexual intercourse, typically said by males.
A: “A gift? Thank you.”
A: Opens gift and sees it’s what was given to B last year.
B: O’Doyle Rules!
O’Doyle Rules! by Bricked March 16, 2021

O'Doyle kid 

Large kid mostly males with messy red hair. Always in the back row of old class photos.
There is one in the back row...total Fuckin O'doyle kid
O'Doyle kid by 12off January 7, 2021

O' Doyle Family 

Also known as "ODF" is a group of hopeless scenesters who so desperately want to feel like they belong.
You may also put ODF in front of your name on MySpace to make it more official.
ODF is also known as "Old Dick Fuckers" .
"Did you see ODF Ryan at the show? Total tool."
"Dude, ODF Travis was definitely smoking a joint!"
"O' Doyle Family? Nah, they don't mean shit!"
O' Doyle Family by Tylerrockschanel January 20, 2009
More from Urban Dictionary
A group of people, typically women, searching through someone’s digital footprint in order to find more information about that person.
Susie wasn’t sure if her new Hinge match was a creep, so she assembled Galantir and they found out he used to post slurs on gaming forums.
Galantir by Ge-sus September 22, 2026
Word of the Day on September 23, 2026

murderhobo 

In a tabletop game, a murderhobo is a player who murders NPCs indiscriminately. This is normally derogatory, referring to a player who totally ignores quests, dialog, backstory, trade, world building etc.

The term is most common with Dungeons and Dragons, but it can be applied to most RPGs where the player is allowed to kill most quest-giving NPCs and NPC traders. E.g. Elder Scrolls, Fallout, Divinity original sin.
DM: The sad little orphan girl tugs at Steve's trenchcoat to get his attention, and ask for help saving her pet dog from...
Steve: I'd like to roll a strength check against strangling the orphan.
Dave: I call dibs on the dog.
DM: You murderhobos disgust me.
murderhobo by Loup&S September 9, 2021
Word of the Day on September 22, 2026
In sales terms, a whale is a prospect that is significantly larger than an organization’s average customer.

Whales are large and extremely difficult to close. Due to their immense size, they are highly sought-after.

A whale is typically identified at first by a whale hunter on the sales team, but often requires cross-discipline participation in order to close; this includes assistance from operations, engineering, creative, client success, and business development teams.
"Shit...the sales director chewed me out on the sales call this morning. He's totally pissed that I have nothing in my pipeline. I've been focused on this one whale for so long that I haven't had time to prospect for normal-sized deals."
Whale by FQ_GFY February 3, 2020
Word of the Day on September 21, 2026
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