Negative Mechanics (Physics)

The study of mechanical systems involving negative mass—a purely hypothetical concept where an object would accelerate in the opposite direction of an applied force. If you pushed a negative mass object, it would come toward you; if you pulled it, it would move away. Negative mechanics describes the bizarre behavior of such matter: it would be repelled by normal gravity, could create perpetual motion machines when paired with normal mass, and would violate every intuitive understanding of how the physical world works. It remains purely theoretical, with no evidence such matter exists.

Negative Mechanics (Physics) Example: "The sci-fi spaceship used negative mechanics—its 'negative mass' engines meant it accelerated toward its target by pushing away from it."

Negative Mechanics (Physics) by Dumu The Void March 11, 2026

Negative Entropy (Physics)

Often mistakenly used interchangeably with anti-entropy, negative entropy is actually a mathematical expression for a decrease in entropy, representing a system becoming more ordered. In information theory, it's directly related to the concept of "negentropy" and represents the potential for work or the amount of information a system can store. A crystal has negative entropy compared to the liquid it formed from; a hard drive stores information by creating tiny magnetic domains of negative entropy; a living cell maintains its negative entropy by constantly exporting waste entropy to its surroundings.

Negative Entropy (Physics) Example: "The beautifully organized spreadsheet represented a pocket of negative entropy in the chaotic chaos of my hard drive—a small victory against the universe's tendency toward disorder."

Negative Entropy (Physics) by Dumu The Void March 11, 2026

Negative P-Hacking

A form of statistical manipulation aimed specifically at producing a p‑value that supports a negative or null conclusion. Researchers selectively exclude outliers, choose particular time windows, or drop certain subgroups until the p‑value rises above 0.05, then claim “no effect.” Negative p‑hacking is especially common in replication studies or in fields where null results are easier to publish than positive ones. It allows researchers to reject true effects under the guise of methodological rigor, effectively laundering bias through statistical noise.

Negative P-Hacking Example: “He removed the three highest responders from his dataset, and the p‑value climbed from 0.04 to 0.07 – negative p‑hacking, manufacturing a null result.”

Negative P-Hacking by Dumu The Void April 25, 2026

hard negative 

“Hard negative”: When someone responds to a statement, situation, or question with a hurtful or strongly negative comment.

Tim, telling me I won’t win a game this season, is “hard negative” man.

hard negative by Adam8909x September 2, 2021

crapping you negative

Meaning "I'm not kidding." An equivalent of "I shit you not."

Said by the character Glen (played by actor Sam McMurray) in the Coen Brothers' movie "Raising Arizon"

Person 1: Did you hear that Brad and Jen broke up?
Person 2: No way!
Person 1: I'm crapping you negative.

crapping you negative by FelixPen June 1, 2006

General Negative 

1) Someone who always give negative responses when asked about anything.

2) A pessimistic person. Always think about the worst.

1)Person A : Let's go out for dinner later?

General negative : No,I can't go out.
Person A : How about tomorrow?
General negative : Nope, impossible.
Person A : HOW about the day after?
General negative : Negative.

2) When visiting a friend in hospital, he'll probably say something like "Oh damn, you are going to die."

General Negative by LuLIzFine September 10, 2009

net negative 

Someone who detracts value from any given situation with their mere presence.

Man, that guy really sucks the life out of every conversation, he's a real 'net negative'.

Oh great, the Net Negative has arrived. Prepare for your will to life to disappear.

net negative by likeitsyourbirthday February 24, 2020