second-cousin-10X-removed

Second-cousin-ten-times-removed (2C10R).

My second-cousin-10X-removed is a good person.

by N8953SW June 26, 2021

Murphy's second law

Anyone that can exist does exist, and they're probably on Twitter.

"What on earth do you mean they're calling themselves 'Sigma Males'?"

"Murphy's second law. They exist."

by waddlemarco June 30, 2021

Second Singularity/High Transapient (S2) Technologies

Technologies emerging from intelligences that have undergone a second, even more profound leap in cognitive capacity, making S1 entities look simple. This tier involves mastery of spacetime geometry, creating stable wormholes for transport, manipulating gravity, and engineering consciousness at a fundamental level. S2 tech begins to look like magic, allowing for interstellar travel via traversable gates, the construction of ringworlds, and the ability to edit physical constants on a local scale.

Second Singularity/High Transapient (S2) Technologies Example: A S2 Technology is a Stable Wormhole used as a subway between stars, a Matrioshka Brain (a Dyson Sphere computing substrate around a star), or a Jupiter Braincore that converts an entire gas giant into a computational matrix. These are projects of such scale and subtlety that their operating principles are opaque to baseline humans and even S1 minds.

by Abzugal Nammugal Enkigal February 3, 2026

Square-fruit to the second tower

The shit that your best friend says when she does meth and not math

Bestie: square-fruit to the second tower

Me: go back to rehab

by Unhinged Farris wheel February 21, 2026

University of Second Choice

University of South Carolina. Some people say its University of Southern California but we all know it’s Carolina. You don’t wanna be there on a cold and grey Carolina morning.

Gotta drive down to the University of Second Choice

by Fight like hell dammit and win February 26, 2026

Long-Duration Motion Machines of the Second Kind (LDMM2)

Devices designed for extreme-duration motion by optimizing against the Second Law of Thermodynamics—not violating it, but approaching its limits asymptotically. The Second Law says entropy increases; LDMM2 fight entropy by creating near-perfect isolation from dissipative processes. They don't reverse entropy; they just slow its increase to a crawl. A supercooled ring levitating in vacuum, spinning for thousands of years—that's LDMM2. The energy gradually dissipates, but so slowly that human civilization could rise and fall while it's still spinning. LDMM2 are the thermodynamic equivalent of putting your leftovers in a freezer that lasts millennia: entropy still wins, but it takes its time.

Long-Duration Motion Machines of the Second Kind (LDMM2) "They've got gyroscopes in space that will spin for thousands of years before slowing down. That's LDMM2—not defying the Second Law, just making it work overtime. The universe still wins, but it has to wait. LDMM2 is what happens when engineers decide to play the long game against entropy itself."

by Dumu The Void March 1, 2026