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Someone who can’t show up to plans or is always late
Brad: do u wanna come over at 8 tonight and we can slam some brews?
Chad: yea I’ll come but prolly closer to 11.
Brad: your such a Giesser
giesser by Brad lucas June 13, 2020
Words you can keep
Someone who shows up late to plans or someone who always bails.
Brad: you wanna come over at 8 and slam some brews?
Chad: Yea I will but prolly closer to 11.
Brad: your such a Giesser
giesser by Brad lucas June 13, 2020
Related Words
A Giessel is a woman who won’t do as she promised. She’ll say whatever she needs to, to get a job or position of power, but she won’t keep her promise once she’s in there.

A woman who promises or claims one thing, then later does the opposite.

To Giessel is to do the reverse of what was promised.
Wow, I can’t believe that woman promised to pay us those funds & then did a complete 180 on it.

“Yeah she’s a total Giessel”

Hey did you see that woman indicate right, but then she turned left. She must be a Giessel.
Giessel by Dick _Shinary October 22, 2019

Born Guesser 

A student that doesn't do their homework but argues about his score; often by citing random anecdotes.
That guys a Born Guesser. He found some random website to argue he knows more than the teacher.
Born Guesser by EconFreak May 5, 2016
pronounced "gress-air", to gresser someone means to briskly walk toward a destination, without giving the slightest fuck about anyone or anything else. A true gresser will not wait for you. He (or she) gives zero shits about whether you are standing next to him or not. Sometimes hilarious, sometimes annoying as shit.
Person 1: Hey wait up!
Person 2: **walks away
Person 1: Wow... what a fucking gresser
Gresser by Kid Kidlyy April 17, 2014

Giesler, Karl 

(n.),(adj.)
US History teacher, loving father, devoted husband, sucessful lawyer, decorated soldier, pimp, potato farmer and breakdancer; the ripped man responsible for the creation of the universe. Known worldwide for his penis of enormous magnitude (Roughly 30-40 million feet on a bad day) and his extreme good looks. He has been labeled the baddest dude ever and is worshiped in cult fashion by many. His skills include giving accurate monetary equivalents from year to year after accounting for inflation in any currency. Ex. "The cost of buying a Sea-Monkey farm in 1875 was roughly thirteen dollars, or in today's terms...eighty billion dollars". Also known for his quote butchering, but we can't say anything because we will get our asses beat if we do, and Giesler has the ability to edit history as he sees fit. Ex. "Of the 500 thousand billion pages of history I've read, Ben Franklin's best quote, to me, was the time when he said 'Hit the Road Jack, and don't you come back...or I'll shit on your face'". His famous Peter Gryffin-esque laugh and accent earned him aquaintences such as the famous physicist Spahr, David

Alias(es):(The) Iceman, Huge Dick, Yahweh, Jahova, God

Fun Fact: Karl used to sing lead for the band ACDC
(n.)
Karl Giesler will kick your ass.
Karl Giesler is a pimp.
My ass was kicked by Karl Giesler.

(adj.)- meaning cool
That shirt is so Giesler!
Giesler!
Karl!
He is the Gieslerest kid in school!
A word that defines when something is brilliant/amazing.
This picture is Gesser.

I’m having a Gesser afternoon.
Gesser by G.Shad February 13, 2022
More from Urban Dictionary
Acronym, meaning Too Long Didn't Understand
Similar to TLDR
Sister: This meeting was to discuss the rough draft of my essay, where we discussed the subsidiary questions I added in my rough draft. We also discussed the relationship between my main title and the real-life situations I chose to use in my essay. We discussed the structure of my essay as well, specifically the Math AOK section and how it relates to the contradiction of the title. This second meeting was particularly helpful in discussing the implications of my essay claims and how to apply the title across various areas of knowledge. There were many sections of the essay that could have been cut down in wordiness and the ways of knowing required further and more in-depth analysis.

Me: Woah! TLDU!
TLDU by L-Evans January 14, 2019
Word of the Day on August 30, 2026
the act of having anonymous sexual encounters with other men in public toilets.
Cottaging by greeef April 24, 2003
Word of the Day on August 29, 2026

Salad Days 

green inexperienced youthful judgement and cold blooded execution of those judgements.

Rashness with little concern of consequence.

Antony and Cleopatra. William Shakespeare

"My salad days,
When I was green in judgment, cold in blood."

- William Shakespeare, Antony and Cleopatra, 1.5
"How did you end up in jail?"

"Salad days, 'nuf said."
Salad Days by GilbyRFC0 October 7, 2011
Word of the Day on August 28, 2026

age gate 

An absolutely foolproof way to keep minors from viewing content deemed "too mature" for them to watch.
Billy: "So I was trying to watch some videos for an M rated game, and I ran into an age gate, so I put in my real birthday. SOMEHOW it managed to figure out that I am 12. CURSE YOU AGE GATE!!!"

Bill: "Fucking age gate! *quick scroll* THERE! I was born on January 1, 1904. Fuck you age gate."
age gate by Banja January 7, 2011
Word of the Day on August 27, 2026

board chow 

A)
The Crud that collects under the keys in a keyboard. Usually more severe in the keyboards of programmers and webmasters as they tend to spend a lot of time at the the computer and thus eat at their desk. Mainly affecting IBM Model M (clicly) style boards.

B)
Can also be used to gross out Non-Techie people
A)
Bill: want to go to the club?
Bob: No, I've got to clean out my board chow, keys are starting to stick.

B)
Bill: Want to go out to get a bite?
Bob: No, i am just going to have some of my board chow/
Bill: Whats' that?
Bob: The food scraps that collect in my keyboard; Want some?
Bill: *GAG* *HURL* *GAG*
board chow by BinaryHackerMan September 3, 2007
Word of the Day on August 26, 2026
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