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A name you give to someone for comitting plagiarism excessively and posting other peoples songs or videos on their blog without giving the original artists credit.
Person 1: "I downloaded that song I showed you the other day and posted it on my Newgrounds profile without giving the artists credit!"

Person 2: "Wow, you're a bit of a Mathum aren't you?"
Mathum by David Stead January 26, 2009
Urban Dictionary Merch

MATH=Mental Abuse To Human 

mental abuse to human
My teacher did MATH=Mental Abuse To Human

mathimathz 

the dominant undying love of two mathletes, affection cannot get any closer than that.
serves as proof of newton's third law, as for every action, there is an equal and opposite reaction which is a telling sign that the relationship is going to be together forever and can easily be commemorated.

hints of mathimathz often show up when one calls the other with a nickname ending in -ie (i.e. "cutie")
A: Yo wassup did you hear about mathimathz?
B: Uh naw wtf is that? Another one of those math competitions?
A: Breh are you serious? Do you just live under a rock? Everyone knows that Kevin and Hanna are each others' "cornie" and "kevie", and nothing in the universe will ever stop their unconquerable mathimathz, aren't they just sooooo cute?
B: Omg that sounds so adorable!
mathimathz by mathicorn February 19, 2021

Matsumoto 

a noun that describes a weird person with a creepy smile. Originated from Mr. Paul Matsumoto, a chemistry teacher who smiles every time when he tortures his students.
Student A: Mats, how are we supposed to know this?
Matsumoto: You learnt this before. Now you gotta integrate. Isn't this fun? (creepy smile... ;D)
Student A: uhh...

Mathematress 

The in-bed mathematics that one performs in order to calculate how many hours or minutes they will be able to sleep for if they fall asleep immediately. Usually this is done in desperation after failing multiple attempts at falling asleep. The calculations usually begin while uncomfortably lying awake and trying to force yourself to sleep, you use the time you intend to sleep by and the time you have to get up, and all time in between is the Mathematress calculated sleep time.
*Guy looks over at the clock* "Shit it's already 3 and I have to be up at 8...well Mathematress says I'll only get 5 hours if I can get to sleep right now.....right now......damn!
Mathematress by Shunsui December 24, 2010
A paragon of excellence in every such quality that exists. This girl is so highly regarded as faultless people can associate him with god, in every sense of the word. From her unparalleled beauty to her unsurpassable knowledge, this girl is truly essential to mankind's survival.
The bestest of humankind , Madhumita
Madhumita by A know stranger January 12, 2018

Mathamphetamine

a math problem that gives you that sort of "high" when you finally solve it.
Man, that homework had some real Mathamphetamines in it.
Mathamphetamine by chameleon215 January 7, 2019
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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