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A weird invertebrate insect that reproduces through penis swordfighting. The first worm that is stabbed by it's opponent accepts the other flatworms penis and allows it to inject it with it's cum. This term may be used to describe a faggot who is bad at fencing.
noun: I was in my hot tub masturbating when on the side I saw two flatworms swordfighting.
adjective: Do not adopt that Malaysian orphan because he is a flatworm.
flatworm by Abu Nazir December 26, 2014
Words you can keep

flatworm friday

Flatworm friday !!!
Originally a video of a sped up flatworm (A tiny and beautiful aquatic animal) swimming with the "Inkopolis News" theme from Splatoon (The first one, on the Wii U) playing in the background.

Note : This gif down here, is the only "Flatworm" gif I could find. Do not ask anything about what they're doing.
Dude 1 : Hey, it's friday !
Dude 2 : No ... It's FLATWORM FRIDAY !!!
Dude 1 & 2 (Shouting, dancing the kazotsky kick and singing "Popipo" by Hatsune Miku) : FLAT-WORM FRI-DAY, FLAT-WORM FRY-DAY !!!
Related Words

flatworld 

Out-of-date; old-fashioned; no longer current or popular; behind the times; antiquated. Reference to a time when the world was thought to be flat.
Check out my cool new bracelets. They look like rubber bands on my wrist but when you take them off, they are in the shape of animals!

Those bracelets are so flatworld. Nobody wears those anymore.

Flatform 

a social media platform of limited impact or effectiveness
As Violet Sinclaire said, Facebook is a flatform not a platform.
Flatform by Jadedgirl April 21, 2020

Flat Worm Friday 

Every Friday we honor, celebrate and remember “Flat Worm Friday”for all the flat worms
I can’t wait for it to be Flat Worm Friday
Flat Worm Friday by DidItWork June 13, 2025
More from Urban Dictionary
The practice of modifying a model (not limited to toy action figures) to achieve some result other than that intended by the manufacturer. ...
I had to kitbash my Luke Skywalker figure with my Darth Vader figure because Luke was missing a hand.
kitbash by geru January 15, 2006
Word of the Day on September 11, 2026

Satellite baddies

Attractive women who are far from your location.
There are no hot girls in the area, theres only satellite baddies.
Satellite baddies by Banksy123 September 5, 2026
Word of the Day on September 10, 2026
Omg, the ramifications!”
-“You forgot about the rammys, bro.”
Rammys by Brandonmical August 4, 2023
Word of the Day on September 9, 2026

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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