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killer app 

"An application that proves the usefulness of the underlying technologies"

Defined by Jawed Karem in the speech "YouTube: From Concept to Hyper-growth" held at University of Illinois at Urbana-Champaign ACM Conference, Oct 21, 2006. (www.youtube.com/watch?v=nssfmTo7SZg)
A typical killer application:
- the first spreadsheet application

Killer apps in the internet domain:
- Wikipedia
- LiveJournal
- MySpace
- Flickr
- YouTube
killer app by Papy Jojo December 15, 2008

Killer App 

When at the click of a link sent via an app, someone’s digital device is virally infected or disabled, often with the terrorist sender or hacker able to retrieve the data stored on the recipient’s phone, tablet, or watch.
After John unsuspiciously clicked on a link in a WhatsApp fake member’s message, no one in the chat group anticipated that the killer app would facilitate the transmission of the Russian virus at such a lethal speed, which wiped out the data stored on all twelve members’ devices.
Killer App by Covido March 5, 2022

Killer app 

Mobile application with doubtful usefulness that gets downloaded and used by a very large number of people, often without a valid reason.
Hey, once you are done with Candy Crush, check out Quads and Flappy Bird, they are the latest killer apps to hit the App Store!
Killer app by n.tex January 25, 2021

Killed Two Birds With One Apple 

Similar to the phrase "kill two birds with one stone" this term means to complete two discrete tasks with a single action. The term traces its origins to a practice, originally made popular by aspiring major league baseball players on the Gulf coast of Florida, of hurling apples at the apparently limitless number of pesky seagulls.
As Mariah's girlfriend walked in on him banging her mother, Mariah thought to himself, "I've just killed two birds with one apple"; I've both fulfilled my MILF fantasy and ended this shitty relationship.
It is said of the situation where a person has the bad luck to make contact with his testicles against an undefined surface or object, intentioned or not.
Given the nature of the word, it is more appropriate to design cases where the interaction is made with a moving object, for example, a ball.
Although it is extremely painful for the victim, it tends to be considerably funny to people who witness it.
Today in the baseball game the pitcher took a nutshot; the baseball hit him in the nuts.

Man, I just watched the funniest nutshot video ever.
Nutshot by Uberflaven March 1, 2009
Word of the Day on June 26, 2026

Nerd neck 

A "human" that spends so much time playing video games that their posture is level nerd neck. Everytime anyone goes tryhard they hunch down and their neck gets longer there fore a nerd neck is always hunched down cause they're always going try hard. In other words a nerd neck is a try hard, since their neck is 100% longer than the average human being due to playing too many video games and taking them serious, nerd necks are not even considered human anymore but something more sad. Nerd necks are often found on fortnite, their natural habitat usually being tilted towers.
What a fucking nerd neck!

He is building so fast, nerd neck!

Looser more like a nerd neck ha!
Nerd neck by D Sandwich Maker February 5, 2019
Word of the Day on June 25, 2026