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Originates from: Delteria

1. Delter is a slang-word that is used to describe an inconsiderate group of arrogants that is only concerned with their own selfish needs. Most commonly used to attack or insult a clique or group, delter has become a popular word in online and real-life situations. Unlike some other trademarked groups, a delter has no clear purpose in their reason of being together. This is usually because people in a delter have terrible team skills and are very unproductive.

2. In some scenarios, ‘delter’ or ‘deltering’ can also be used a verb. To delter is to explicitly cheat or abuse a given power. Common scenarios of this are in the workplace, where a newly appointed manager will abuse said powers to no extent.
'Ernest just deltered his management position to bust'.

'Look at that street delter, they're probably angsty teenagers'.

'When I want to grow up, I want to be in a delter'. - Confused Child, 2006
delter by OnlyMatthew January 17, 2007
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Lancer Deltarune 

Yeah, Lancer Deltarune? He is cool
Lancer Deltarune by Lancer cool dude November 12, 2018

Lancer Deltarune 

Person 1: hey want to join my religion?
Person 2: what's it about
Person 1: lancer deltarune
Person 2: I'm in
Lancer Deltarune by lancerkirb January 8, 2019

Leaky Deeter

When the penis decides to leave a little present in your undies.
After taking a piss I made sure to shake it off, but I still had a leaky deeter.
Leaky Deeter by M Mac April 18, 2010

determined look

The look you have on your face when you go to a field party and do a keg stand in your 20 year old letterman jacket.
Oh my god that guy is walking into beef O’Bradys with a determined look.
determined look by Ballerassboii August 24, 2018

deltarune chapter 2 

Toby fox's game that finally came out and now were all playing it
Ron: hey, have you played deltarune chapter 2 yet???
Mark: no I haven't, is it fun?
Ron: yea
deltarune chapter 2 by wasd_wasd October 1, 2021

Gastronomical determinism 

Where the duration of a meeting is extended for no reason other than to include a free lunch or dinner.
The meeting went on an hour longer than it had to. Gastronomical determinism ensured that the debate continued, focusing on meaningless issues, until the company provided lunch was served.