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a low energy beta emmitting isotope of hydrogen containing 2 neutrons and 1 proton.
i spilled tritium on myself but didn't worry about it because the radiated particles aren't energetic enough to penetrate the layer of dead skin that covers my body
tritium by James October 24, 2003

Trivium Fan 

Trivium fans are the best fans, they love headbang, chill and have a great time. There also probably a guitar player that loves early thrash such as Metallica and Slayer. You'll never meet a fan that is as open to your music as a Trivium fan. One way to hype-up a Trivium fan is to turn anything on from Ascendency, that shit slaps!
Trivium fan: You like Killswitch, check out this shit!
Turns on Like Light To Flies, too the max.
Trivium Fan by Djent Bro! November 23, 2021
One of the more modern metal bands of the 2000's that have roots in thrash with Metallica being their biggest influence. They are one of the most talented bands of the new age and continue to make awesome music
Trivium is not emo.

If you think Trivium is emo, you might as well be listening to St. Anger
Trivium by Mormon-METALhead October 6, 2008
Irradiated gas utilized in military instruments and timepieces for the sole purpose of lighting dials or numbers during times of complete darkness.

This gas emits enough light for easy reading of a timepiece in compete darkness and will last for 25 or more years.
I have a Marathon T-SAR watch that uses tritium gas to light the numbers so that I can see them in the dark.
tritium by shailoche August 12, 2009
A band that punk ass metal fans don't like because one of their albums entered the Billboard top 40. They didn't copy Metallica. Metallica might've influenced their some of their work.
Fake Metal Fan:Fuck trivium!!! Sellouts! All they care about is money! That's why they're so popular!

Smart Person: Can't blame them for writing music that people actually want to listen to.
Trivium by Black_Spade August 11, 2008
One of the best metal bands around today. A Florida based 4-piece band that consists of:
Matt Heafy-Guitar/Vocals
Corey Beaulieau-Guitar/Vocals
Paolo Gregoletto-Bass/Vocals
Travis Smith-Drums
Their first album, Ember to Inferno was released on Lifeforce records and was written by Matt Heafy when he was 15 to 16. The fact that he he did this is a testament to how much of an awesome band they are. Ember to Inferno, Requiem and If I Could Collapse The Masses are essential songs to download of this album.
after Ember to Inferno, they were signed onto Roadrunner Records where they recorded their seminal album, Ascendancy. They also recorded some songs for the 25th Roadrunner anniversary album, The All-Star sessions, where they played alongside such legends as Jeff Waters and King Diamond. Matt Heafy was also made a Roadrunner All-Star, alongside Joey Jordison, Rob Flynn and Dino Calzares. Ascendancy was one of the biggest albums of the year when it was released. Trivium experienced massive fame due to Ascendancy which was liked by almost every person that can justify calling themselves a metal fan. At Download Festival '06, word got out about Trivium playing a small set there which caused huge hype about the band who were then moved to one of the main stages simply due to the huge success of Ascendancy. Essential songs to download are Rain, Pull Harder on the Strings of Your Martyr, A Gunshot to the Head of Trepidation, Drown and Torn Asunder and Suffocating Sight.
After the huge success of Ascendancy, Trivium released The Crusade on Roadrunner. They had changed their sound dramatically, moving away from the metalcore-ish sound of ascendancy and moving towards more old-school metal and thrash of their biggest influences, Metallica. They also changed the style of the singing from the screaming that had made them famous to a more growly type of vocal such like James Hetfield. they then suffered a huge loss of fans and media support when Kerrang! rock magazine essentially called The Crusade a terrible album and Trivium Metallica ripoff-merchants. A load of trend following Kerrang! readers then decided to not buy The Crusade and to stop liking Trivium altogethor because their trend-setting masters had told them to. They stuck to the age-old we-dont-like-this-band-anymore excuse of 'They sold out'. Who exactly they sold out to remains a mystery. Those who stayed loyal to Trivium and bought the album e.g. acted of their OWN FREE WILL (something that K! readers are not aware of)either found out that The Crusade is a kickass album and that Trivium are still a kickass metal band or listened to The Crusade, didn't like it for whatever reason e.g. they don't like thrash metal or prefer metalcore of whatever. These people are infinitely better than the mindless haters because at least they kept their minds open and gave it a chance even if they didnt like it. the only similarities between Trivium and Metallica are the vocals and the music in Detonation and Anthem(We Are The Fire). the rest of the songs on the album are awesome and even the two previously mentioned are good. Essential songs are Ignition, Detonation, Entrance of the Conflagration, Tread the Floods, To the Rats and The Rising.Trivium are still an awesome band and the fact that they changed and MATURED their sound only shows that they didnt sell out and stayed true to their musical beliefs.
Metaller:dude i just saw trivium live. It was so Awesome.
Mindless scene Droog: omg how can you like trivium they sold out so much MCR pwn them so much!
*a snapping noise is heard follwed by a gurgling noise as the proper metaller snaps the scene droog's neck and walks off listening to The Crusade
trivium by rebel without a clue December 30, 2008
More from Urban Dictionary

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.
Word of the Day on October 5, 2026
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
Word of the Day on October 4, 2026
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

Pee Calculus

When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Pee Calculus by anorlondo October 1, 2026
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Literally "dirty" pronounced with a West Indian accent. Can also have a positive connotation, for example Sean Paul's album title "Dutty Rock".
"The girl is pretty but she corrupt and dutty!"

or, in a positive usage:

"Booya! That freestyle was dutty!"
Dutty by J Hall April 3, 2003
Word of the Day on October 1, 2026
korean word for madam, older woman
Ajumma wait a moment
Ajumma by aintnotinbutnice July 5, 2009
Word of the Day on September 30, 2026
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