1. (programming) Segmentation fault, or segfault, a fault raised when attempting to access an invalid or restricted area of memory, common in low-level languages like C or Assembly.
2. (figurative, rare) Temporary loss of memory, blackout

1. My damn code keeps on SIGSEV-ing all the time. Fucking C programming!
2. I completely SIGSEV'd last night.

SIGSEV by ONG3N April 14, 2022

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Sigsh

Stop it get some help

If your a smoker sigsh

Sigsh by REMIX HACKER June 20, 2019

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sigster

Someone who is siggin (making fun of somebody).

I like wearing my weeb T-shirts to school, but there's this one sigster being a dick about it.

sigster by Roman Shosirobe April 4, 2023

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Sigsplaining

When the general manager of the Sky Casino, Sigma (from Bungou Stray Dogs), adopts a form of mansplaining that he uses on others and himself.

Sigma: "Cooking knives?! She must've gotten them from the kitchen!"
Viewer: "Pookie ily you're so beautiful and u deserve sm but pls stop sigsplaining everything..."

Sigsplaining by nikolaisigmafyodorbuttfucker June 19, 2024

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square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.

"Base we've got some square groupers floating outside of Miami harbor."

square grouper by slipsheet November 6, 2004

Word of the Day on October 7, 2026

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Bunhead

A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.

"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."

Bunhead by Jen00 October 24, 2014

Word of the Day on October 6, 2026

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trucker's tan

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.

I had a trucker's tan after driving for 10 straight hours on a sunny day.

trucker's tan by population361 May 30, 2006

Word of the Day on October 5, 2026

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kidulting

The phenomenon where adults salivate at children's toys

Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!

kidulting by Emotional Cruiser October 12, 2025

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Boffin

British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.

According to the boffins downstairs, the murderer used a serrated blade.

Boffin by Agnon February 11, 2023

Word of the Day on October 3, 2026

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