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A person known for his extreme mood swings, and gayness. Usually found in basements, Alysters are non-social creatures that love to play games. Such as TF2, and Overwatch. The computer is an Alysters' life source, and must be on at all times unless turned off by the Alyster. If you ever think about getting an Alyster, don't. These creatures will forever be free. If you ever see an Alyster in danger, call us never. 'Cause we don't care! All Alysters are male btw, you can figure out how they reproduce.
"Is that an Alyster?"
"No, that's called a gae."
"Ohkai."
Alyster by Ladleboi October 12, 2018
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Alyster pronunciation is Alastair His name means Defender , helper. Pronunciation: Alistair
Alyster is a perfect baby boy name and personality that is charismatic & a full life .
Alyster by Musicismyclarity February 23, 2022
Related Words
Alyster is a tromboner with Gatorade and a big penis
I’m Alyster
Alyster by Nerdy Man Inc August 20, 2022
Youtuber of popular hypixel minigame bedwars, is a god at bedwars
hey everyone it's alyste and welcome back to another video and today i'm going to be playing some more solo bedwars because i don't know i just i woke up this morning and i was like you know what i want to record i actually already recorded around i went severely off topic
Alyste by alytwt October 9, 2020
Alister will love you. He always finds a way to come thru, and will always love you even if it doesn't seem like it
Friend 1 - How are you liking Alister?

Friend 2 - He's great but can get grumpy but still loves me.
Alister by AiDaN1@#GjThUrfgHR December 16, 2019
1) A mythical urban superhero who haunts inner ring suburbs righting wrongs by infiltrating and undermining groups of menaces to society and rendering them mindless with his tricks.
2) A mindgamer who plays to the outer extremes.
3) Someone who feigns mental weakness or naivety to gain an opponents confidence.
1)"We thought the Alfster was just one of us until he disappeared leaving us with a headache and empty wallets. On top of all of that he ended up with all of our women by the end of the night."
2) Only an Alfster could have fooled me that bad. I feel like a real asshole now. Hopefully my head will be unscrambled after I collect my thoughts."
3) The Alfster proceeded to take all their money and donate it to a childrens orphanage after winning the poker game which he proceeded to win after pretending to be deaf.
Alfster by Petergozinya May 26, 2009
Alisters are usually funny and charming guys. They may not be the brightest but they have big hearts and will never fail to make you smile.
No one can compare to Alister
Alister by Hyena Hut Studios February 27, 2017
More from Urban Dictionary
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

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
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