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Janser is most likely to be an angry Dominican who always gets mad off the smallest shit and uses profanity a lot. He also likes to say “WHATTT” a lot.
Ariel: “Aye Janser...”
Janser: “WHATTTTTTTTTT”
Ariel: “Janser ...”
Janser: “Whattt bitch”
Janser by Jakefromstatedarm February 19, 2018
Related Words
Janser • janner • janker • jansen • janger • jasser • Jancer • jander • Jansel • Janter
Janser is usually a boy who gets mad at absolutely everything , and who gets pressed by 9th graders frequently
"Aye janser you just got pressed"

Biff Jansen 

Biff Jansen otherwise known as Sketch of Papa J is man of great importance to those in Northern Hemisphere. He once saved an entire bus of school children by slaying a beast that had taken them captive.
"Who saved my children?" the frantic woman exclaimed. "It was I, Biff Jansen my lady"
Biff Jansen by Steve J. Talon April 6, 2010

janner-klausner 

The sound an ostrich makes in the ghetto when it orgasms.
Man did you just hear that janner-klausner?
I sure did, it must be having a good time!
janner-klausner by Natan french June 15, 2009

Jansen Douglas

Jansen Douglas is a fictional character that has become somewhat of a legend or tall tale in the upper Midwest. The name Jansen Douglas is loosely based off of Sir Zacharias Jansen, whom invented the telescope.

The story goes that Douglas was born and raised near Rochester, MN to a family of Furbish descent. He found himself to be of rather short stature and with flat-ironed feet. To make up for this, he wanted to work on (and pilot) the biggest, nastiest diesel-powered machines.

So his career was to fix machinery. This was rather contradictory to the fact that by age 19 the man had already totalled five cars...and he was known as a true hazard on the roadways where he romped. Throughout his career, he spent much of his time looming over growlers.

Friends would often find him buried nose-deep in the Hot Wheels pegs or scouring Urban Dictionary. He was also world-renowned for his E-Revo billowing acts. He started out small time but eventually hit paydirt in Sauk Rapids.

Legend has it that Jansen Douglas now lives somewhere in North Dakota. The last claimed siting of him was in mid-2009 at a Slipknot concert in Mankato, Minnesota where he was found laid out in a crumpled heap on the floor with a beer-soaked shirt.

Pictures have supposedly surfaced of this rare being. Each picture almost always has one of two attributes; a large gritting smile; or Douglas shown with wildly-thrown elbows and an R/C body 10 feet above his head and smoke billowing out from the Titan 550's.
That is the well-known story of Jansen Douglas.
Jansen Douglas by Looped Out November 2, 2009
A sweet and popular girl who has great physical characteristics, but is not defined by them due to her strengths in other fields, such as arts or photography. May occasionally color their hair, but not in an overly-done fashion.
Oh man, check out that girl who's hosting her exhibition, she looks like a total Janset.
Janset by Axis_Op April 30, 2021
More from Urban Dictionary

Slop Grenade

When someone uses AI to generate a large document, slide deck, or piece of code/software and tosses it over the fence for you to deal with.
Chad: Hey Brent I sent you the new backend API change to review, it’s only 100 files changed.

Brent: he just tossed me a slop grenade
Slop Grenade by Joe Squid September 28, 2026
Word of the Day on September 29, 2026
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
After we broke up, he was floxi to me.
floxi by Dr. Geek May 13, 2009
Word of the Day on September 28, 2026
NYC people who migrate north to Quahog, RI to see the leaves in the fall.
New York and everyone from there can fornicate themselves with an iron stick.
leafers by ss++ February 8, 2005
Word of the Day on September 27, 2026

Respectfully 

Precedes or follows either a gratuitously disrespectful or honest remark, originated in New York City. Used in similar fashion to "no offense" or "to be honest," interchangeably.
Ya mans is wild buns, respectfully. Respectfully he's washed.

After school, The Modells on Jamaica Ave was active. Respectfully.
Respectfully by john quan the first December 20, 2020
Word of the Day on September 26, 2026
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