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hetero life mate 

Someone of the same sex who you hang out with enough to consider your life mate, but not in a gay way.
I'm Jay, and this is my hetero life mate Silent Bob

hetero life mate 

best friends who no longer refer to themselves as best friends. because their so close they know they will never part.
dude are corey and billy gay?
No man their just hetero life mates.
OHH ok dude.

Hetero life mate 

A strong bromance between two like male individual's.
Michaels hetero life mate martial likes receiving back rubs.
Hetero life mate by Ampedagn September 22, 2015

platonic life mates 

Super close platonic friends
who love each other like brother and sister
have alot in common and do everything together
(The guy-girl eqivalnt to hetero life mates)
Shaine and David are always together yet not dating there platonic life mates sorta liek Jay and Silent Bob

Hetero Life Mates 

Two people of the same gender and heterosexual orientation who decide to be each others life partners, but asexually; living together but unromantically.
Diane and Mary decided that if they were unattatched by the age of 35, they would move to NY together and be hetero life mates.
Hetero Life Mates by anon December 18, 2004

the half-life decay of plutonium-239 in a zinc-aluminum material lined caging 

caged plutonium which is a transuranic material that has a half-life of 24,065 years, making it decay (into different elements) inside a zinc-aluminum hull (the aluminum delicates due to the radiation and thus might crumble depending on the weight of plutonium-239) but doesn't rust as easily due to the zinc coating
"Our team have created a simulation of the half-life decay of plutonium-239 in a zinc-aluminum material lined caging scenario."
More from Urban Dictionary
The number of years you are still sexually active
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.
sexspan by Dr Kat April 21, 2022
Word of the Day on October 28, 2026
A lighthearted reaction upon receiving disappointing news of some sort. Usually something that isn't a particularly a big deal, esp. when it primarily affects someone else - sort of a mild schadenfreude. Sometimes doubled or tripled, and possibly said in a sing-songy voice for added comedic effect to imitate a muted trumpet, which is how the meme originated.
You didn't get any napkins with your takeout pork fried rice? Womp womp.
womp by 175623226 November 3, 2011
Word of the Day on October 27, 2026
When your wife’s boyfriend let you sleep past 8pm 😎😎
Wife’s boyfriend: You have 5 more minutes
Me: Poggers!
Poggers by Just_Charles April 14, 2020
Word of the Day on October 26, 2026

Oblication 

A vacation, feeling more like an obligation, that involves visiting or staying with family.
So Joe where are you taking the kids for spring break vacation? We are going on an oblication to Boca to visit my mother-in-law.
Oblication by kimmerr May 5, 2011
Word of the Day on October 25, 2026

Surf Dracula Syndrome 

A phenomenon in film/television series, most notably streaming series, where the main premise is drawn out to such a point that it takes an entire season or more to get the parts of the series the audience is actually interested in seeing.

For example, if a series is titled "Surf Dracula," a majority of viewers would tune in expecting to see Dracula surfing by the first or second episode. However, the entire first season would instead be tedious padding and backstory before finally ending with Dracula surfing in the last five minutes of the season finale.
I watched "Smallville" on Netflix the other day. Dude, it was ten seasons of filler before he finally flew! Major Surf Dracula Syndrome!
Word of the Day on October 24, 2026

Northstarring

Finding your way back to the truth by fixing on one verified fact and working out from there, the way you navigate by the North Star when everything around you is spinning.
Rumours were flying everywhere, so she went northstarring — one checked fact at a time.
Northstarring by Light Bearer October 22, 2026
Word of the Day on October 23, 2026
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