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An entity that cats can see but humans can't. Cats are driven insane by them and must destroy them. Whenever you see a cat attack nothing with an insane fury, it's probably a greeble
Look at Mittens chase that greeble!
Greeble by ISeenAGreeble August 23, 2022
Related Words

greeblies 

In the Lego online community, greeblies are the intricate details on the sides of spaceships and sci-fi MOCs that define the mechanics and workings of what the MOC is meant to be. They were famously used in the giant Star Destroyer Lego set a few years ago, and also in the more recent Death Star II set. Plates with rails are often used for greeblies because they have a protrusion that only sticks out half a stud without needing a jumper plate. (source: Brickspace.org)
Hey, that Star Destroyer has great Greeblies.
greeblies by 'John February 15, 2009
Random bumps, extrusions, and hills and valleys, usually planar. Used in 3D modeling and animation to add interesting detail, like that on the surface of the DeathStar.
"Yo dog, that greeble modifier really pimped out your 3D model."
greeble by Matthew Highison December 28, 2005

Greebler 

"Greebler" is a word that can be used to describe anything that is great.

Traditionally, it meant something else entirely, something disgusting. However, in modern day English, a greebler is an object of awe.
- Damn!!! That girl is fineeeee,
- Yeah bro, she's a greebler fo sho

- Dynamics grades are up, I got a A+ on the test!!!
- Awesome dude! You are such a greebler.

- Did you hear what happened to gray?
- Yeah man, he lost a game of soggy biscut
- He ain't no greebler
Greebler by Greebly McGreebs November 2, 2011

The greebler 

typically used to refer to a certain tf2 (washed) Rocket jumper Newjuls, when he be greebling and shit and making funny sounds
Being defined by : "Damn bro hes on his greebler goblin grind again"

Newjuls : "I'm the greebler" *proceeds to cackle*
referring to Newjuls doing average greebler shit
The greebler by RockSolidWood June 4, 2023

greeblin 

Greeblin - Often considered skrunkly; a creature or person who resembles a traditional portrayal of a gremlin, but who is fixated on doing a seemingly pointless tasks or fulfilling an eccentric desire via often greedy acquisition.

Often paired with the verb to greeble, meaning to act silly and fulfill eccentric desires.
Dave: Did you see my cat greebling last night? He sucked on Cindy's finger for over 20 minutes with the weirdest look on his face.
Walter: Wow, what an absolute greeblin.
greeblin by hazie wazie May 21, 2023
More from Urban Dictionary
Millennial optimism may be gone, but Gen Z whimsy (WhimZ) is in.
WhimZ by WhimZ! November 5, 2026
Word of the Day on November 13, 2026

Frothability 

The measure of an emotional and over zealous consumer in an upwardly charging market, also known as a bull market. It's characterized by rising asset prices, increased investor confidence, and favorable growth in the markets, bro.
The frothability was evident as over-zealous consumers eagerly engaged in bidding wars, driving property prices to unsustainable levels reminiscent of previous speculative bubbles.
Frothability by cptn.kagaroo1 January 26, 2024
Word of the Day on November 12, 2026

Soul digger

A man who dates women with the sole purpose of exploiting their time, energy, and labor while he sucks the joy and happiness from their lives.
"That guy's a soul digger. He'll expect you to work full time, but you'll be doing all the cooking, cleaning, laundry, shopping, and childcare while he plays video games or watches TV."
Soul digger by anonymous November 11, 2026
Word of the Day on November 11, 2026

pod person 

A person pretending to be something they aren't, or an impostor. This is inferred because of the old alien movies where alien pods appear on earth and the "pod people" dispose of the humans and slowly reproduce the bodies, pretending to be humans.
The pod person was pretending to be my father, but I knew that he was an alien when he acted differently than my father ever would have.
pod person by Christopher M. May 9, 2005
Word of the Day on November 10, 2026
A dead drop is a location used to secretly pass items between two people, without requiring them to meet.

Spies have been known to use dead drops, using various techniques to hide the items and to signal that the drop has been made. Drug dealers use this as well.

A common place is to duct tape the item to the underside of a toilet cover in a public restroom.

A signal is sometimes used as well to indicate there is something to pickup, like a pile of stones in a certain formation. After checking the drop the signal is removed.
"The dead drop is the restroom toilet at the Gulf station at the corner of Commercial Ave. and Georges Rd."
dead drop by rubberroom July 23, 2008
Word of the Day on November 9, 2026

No Surprises Wedding

A "No Surprises Wedding," or NSW, is a wedding invitation designation that tells attendees that there can be no unplanned announcements, engagements, events or speeches at the wedding - all actions must be pre-approved by the couple. Anyone who performs an unapproved "surprise" will be asked to leave the wedding early.

This designation comes from Reddit, where so many stories of bad wedding behavior indicated a need to communicate expectations for the wedding behavior of attendees.
You are cordially invited to the nuptials of Brian and Tom on October 31 at noon.

Please note that this wedding is child-free (under 10) and a No Surprises Wedding (NSW). Reach out to wedding planner Sami Smith to request approvals or exceptions; please note that exceptions will be rare. Limited child care for under-10s will be available. All approvals will be noted and included in planning. Unapproved, or surprise exceptions, will result in guests being asked to leave.
Word of the Day on November 8, 2026
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