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A runster is a cool, totally rad person who runs; for fun, fitness, weight loss - it don't matter. Long distances, short distances, slow or fast running in it's pureness.
That runster just finished a 5k. Impressive that runster is.
runster by The Running Dude February 12, 2014
Words you can keep
Runster is a word that the beloved Hannah Barbara cartoon character “Scooby-Doo” pronounces the word “Monster”,
Scooby: “Raggy, RUNSTERS!!!!!!! RUNSTERS!!!!!!!!!

Shaggy: Oh no scoob!!!!!!!! (Screams)
Runster by Dozy_Leo November 10, 2019
Related Words
Ronster is formed by contracting the first name Ron with the word monster.

It is a nickname (or adjective) for a person (or thing) of a person named Ron.

In usage, Ronster, like monster, may be used in either its sense as a noun or adjective.
Nickname: Ronster for a person (or thing) of a person named Ron.

Adjective: Ronster may be used as a descriptive term of endearment, mild annoyance, satisfaction, disappointment, or indifference for a person (or thing) of a person named Ron.
Ronster by Randy Johnsonrod January 29, 2007

Pulling a Ronster 

To have sex with 6 playmates at the same time.
Me: Dude, my wife caught me pulling a ronster!
My friend: You slept with 6 playmates?!!!
Me: I'm shittin you not!
Another term for a huge dildo.
Excuse me, does this porn shop have any rugsters? These 16 inchers aren't big enough.
rugster by IH8MUD March 20, 2006

rusterucci 

The coolest name out there. An Italian name not a Mexican name. People with this name hate it when people call them Mexican.
Rusterucci is a better name than Mexicans last names.
rusterucci by Wafflehouse77 April 17, 2017
𝘿𝙤𝙣𝙩 𝙁𝙪𝙘𝙠 𝙒𝙞𝙩𝙝 𝙏𝙝𝙚 𝙍𝙤𝙣𝙨𝙩𝙚𝙧
i love ronnie radke “ 𝘿𝙤𝙣𝙩 𝙁𝙪𝙘𝙠 𝙒𝙞𝙩𝙝 𝙏𝙝𝙚 𝙍𝙤𝙣𝙨𝙩𝙚𝙧” “do not fuck with the ronster”
ronster by emmasyko September 13, 2020
More from Urban Dictionary

Satellite baddies

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There are no hot girls in the area, theres only satellite baddies.
Satellite baddies by Banksy123 September 5, 2026
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Omg, the ramifications!”
-“You forgot about the rammys, bro.”
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Failure Shower 

When you fail at something in life (eg. failing an exam or not getting a job), go home and spend an hour just standing in the shower, propping yourself up against the wall with your eyes on your feet.
Caleb knew the only thing to do after he didnt get prefect was take a failure shower.
Failure Shower by Vikingnz October 27, 2009
Word of the Day on September 8, 2026
Acronym for Non-Athletic Regular Person. Your schools lacrosse team probably shouts it at you while you walk by.
Lookie at these bunch of narps, NARP NARP NARP
NARP by Douchebag McKenzy March 31, 2010
Word of the Day on September 7, 2026

High School Liquid 

A person who can freely travel between and fit in with all high school social groups and classes.
He is high school liquid, he ate lunch with the nerds and hung out with the jocks after school.
High School Liquid by Thaedris July 30, 2008
Word of the Day on September 6, 2026
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