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U Dum is a game where you, the player, tries to get the attention of another player in a variety of ways. After gaining their attention, you immediately shout "U Dum!" However, the defending player may preemptively shout "U Dum" after you have gotten their attention, nullifying your initial attempt.
Todd: "Hey Blair, I learned something interesting about you this weekend."

Blair: "Really? What's that?"

Todd: "I learned that U Dum!"
U Dum by weenius September 10, 2010
Urban Dictionary Merch

boi u dum 

boi u dum is the worst insult ever created so dont use it regularly
eric: DiD u SeE ThE nEw FoRtNite SkIn? me: BOI U DUM
boi u dum by OK KO February 9, 2021

u dumb boi 

said or done something incredibly stupid
so my brotha said "man i feel like i can fly" and i said to him "nah u dumb boi"
u dumb boi by omgthatshim February 5, 2010

is-tch'u-dumb 

the most gangster way to say are you dumb to someone that is a retard.
"let's visit jenny"
"is-tch'u-dumb you know she is a bitch
is-tch'u-dumb by AFIkid January 22, 2007

U Dumb As Hell Boy 

said by Conner Temple Tv.

He Called Me Dumb
"Wheres the Gc" "U Dumb As Hell Boy"

u dumbass we do not have a website 

hahah. u so unbelievably dumb
person 1 says some dumb shit
person 2 kicks him out of the conversation, puta him back later and semds this link. person 2 put a lot of time and effort in this site.
person 1 klicks the link and be sooo fucked. he be thinking:" lmaooo he got me gooooood"
u dumbass we do not have a websitebis used for that exact reason

Y U DUMB? Elementary School 

The name of the school in SML...
I just went to Y U DUMB? Elementary School - I give it one star because the teacher (Jackie Chu) is dumb
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

Concrete cowboy 

A guy who thinks he's a country kinda guy, but in reality lives a comfortable city / suburban life.
Eugene: Look at that dude in the cowboy hat!
Todd: He's just a concrete cowboy.
Word of the Day on September 20, 2026
any hard liquor that is cheap & potent.. eg. relska, popov, potters, evan williams, kamchatka, fireball, rumpleminze, southern comfort, everclear
hey let's get a drink of that?

go ahead
*takes drink* ugh wtf is that?

everclear & bepsi
fucking hobo loko eeessshh
hobo loko by d i z k o 2 0 8 September 14, 2026
Word of the Day on September 19, 2026

God Shot 

A chance happening with profound meaning, an unexpected blessing, a "sign".
Dr. Drew on Celebrity Rehab said "All of a sudden what had been just another Hollywood proposal became for him an unexpected blessing, an opportunity for growth. In drug recovery language, that's called a "God shot."
God Shot by Imogen1564 February 25, 2011
Word of the Day on September 18, 2026
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