A prefix representing a kid-friendly version of a pre-existing product or concept, named after "Once Upon A Deadpool" (2018). It signifies an attempt to create a more suitable and sanitized version for children.
As YouTube Kids had been corrupted by the emerging phenomenon called Elsagate, YouTube should try another attempt to make a kid-friendly version called Once Upon A YouTube, featuring daytime TV-like censorship modeled after Disney Junior and Disney Channel.
by Emotional Cruiser July 24, 2025

A derogatory term used for French military equipment. References the joking tendency to drop their weapons and surrender the moment anything happens- never fired (didn't get a chance to) and dropped once (they dropped the weapon when they surrendered).
Person 1, walking up to a gun store counter: "Let me see that rifle."
Person 2, behind the counter: "This here is a genuine French military rifle. Never fired, dropped once."
Person 2, behind the counter: "This here is a genuine French military rifle. Never fired, dropped once."
by ATELOS May 20, 2023

To say something truly inspirational and intellectual as to be compared to the works of famed English poet Gerard Manley Hopkins
Guy: Hey man, how's study going?
Friend: Well sir, procrastination is the generational way of life, as hopkins once said.
Guy: You are a truly wise man.
Friend: Thanks
Friend: Well sir, procrastination is the generational way of life, as hopkins once said.
Guy: You are a truly wise man.
Friend: Thanks
by SPOOF101 December 30, 2020

My first-cousin-once-removed-in-law is a good person.
by User655 July 25, 2021

an acquaintance whom you see only about four times a year, typically every three calendar months, even though you generally get along jovially. The lack of more frequent camaraderie can be due to geographic distance, a lack of deeper connection, or as is most often the case - the passage of time in what was once a closer friendship
Yea, I was going to hit the bar with my buddy this Friday. I haven't seen him in months! He's more of a once-a-season friend.
by doolsandtrims December 4, 2010

Spouse's first-cousin-once-removed's spouse.
My co-first-cousin-once-removed-in-law is a good person.
by JAMP12 September 21, 2021

An experience so rare that it often happens only once in a person's entire lifetime. Basically, it can be seen as something that might happen only once in roughly 60 years or longer.
For some, a trip to Disney World is a once in a lifetime experience.
When a friend moves long distance, getting together with that friend for a dinner and a movie is very commonly a once in a lifetime experience.
Getting married is a once in a lifetime experience.
When a friend moves long distance, getting together with that friend for a dinner and a movie is very commonly a once in a lifetime experience.
Getting married is a once in a lifetime experience.
by He who knows11 January 30, 2023
