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it's a contraction of the words "must" and "have" but in the context of something being a "must have."
I'm going to get a pair of those New Balance 574s, they're a must've.
must've by snalker1 November 9, 2020
Words you can keep
A contraction of the words "must" and "have"
I must've left it some where.
must've by eleventhtoe October 22, 2011

Must've Been The Wind 

An unusual scene taking place for a split second before going back to normal like nothing happened.
"HUH is that a capybara riding on a gator?"
"Hmp?. Must've Been The Wind."

Must've been the wind

phrase

The default, automatic response given by someone experiencing auditory hallucinations (often associated with schizophrenia or other psychotic disorders) when they hear a voice, sound, or noise that isn't there, and they need to quickly dismiss it to a concerned person nearby.

It's the verbal equivalent of hitting "dismiss" on a pop-up ad in your brain. The person saying it knows, on some level, that the source is internal, but saying this phrase is a coping mechanism to maintain a facade of normalcy and avoid further questions.

A phrase used to sarcastically or darkly describe the moment you realize you're having a symptom, but you're trying to play it cool so no one freaks out.

More broadly, any dismissive explanation for something clearly paranormal, supernatural, or just plain weird.
Friend: "Hey, are you okay? You just flinched and looked at the empty corner."
Person: "Huh? Oh, yeah, must've been the wind. Thought I heard something."

"The shadow-people were whispering my name again, but my roommate was looking at me, so I just shrugged and said, 'Must've been the wind.' Gotta keep up appearances."

"Did that painting just blink?" "Nah, must've been the wind."
Must've been the wind by Kactiyde November 10, 2025

This one's sanity must've already crumbled... 

This sentence is often used when someone is acting unusually silly or crazy.

Originally refers to the roguelite roblox game Deepwoken. In-game it is said by one of the ignition union members after facing akira in the depths and being told to back off even though they outnumber him.
Ultimately ending in the squad's death after they pass the line drawn by akira.
A: "sticking out your gyat for the rizzler.. ur so skibidi.. ur so fanum tax"
B: "This one's sanity must've already crumbled..."
More from Urban Dictionary
Acronym, meaning Too Long Didn't Understand
Similar to TLDR
Sister: This meeting was to discuss the rough draft of my essay, where we discussed the subsidiary questions I added in my rough draft. We also discussed the relationship between my main title and the real-life situations I chose to use in my essay. We discussed the structure of my essay as well, specifically the Math AOK section and how it relates to the contradiction of the title. This second meeting was particularly helpful in discussing the implications of my essay claims and how to apply the title across various areas of knowledge. There were many sections of the essay that could have been cut down in wordiness and the ways of knowing required further and more in-depth analysis.

Me: Woah! TLDU!
TLDU by L-Evans January 14, 2019
Word of the Day on August 30, 2026
the act of having anonymous sexual encounters with other men in public toilets.
Cottaging by greeef April 24, 2003
Word of the Day on August 29, 2026

Salad Days 

green inexperienced youthful judgement and cold blooded execution of those judgements.

Rashness with little concern of consequence.

Antony and Cleopatra. William Shakespeare

"My salad days,
When I was green in judgment, cold in blood."

- William Shakespeare, Antony and Cleopatra, 1.5
"How did you end up in jail?"

"Salad days, 'nuf said."
Salad Days by GilbyRFC0 October 7, 2011
Word of the Day on August 28, 2026

age gate 

An absolutely foolproof way to keep minors from viewing content deemed "too mature" for them to watch.
Billy: "So I was trying to watch some videos for an M rated game, and I ran into an age gate, so I put in my real birthday. SOMEHOW it managed to figure out that I am 12. CURSE YOU AGE GATE!!!"

Bill: "Fucking age gate! *quick scroll* THERE! I was born on January 1, 1904. Fuck you age gate."
age gate by Banja January 7, 2011
Word of the Day on August 27, 2026

board chow 

A)
The Crud that collects under the keys in a keyboard. Usually more severe in the keyboards of programmers and webmasters as they tend to spend a lot of time at the the computer and thus eat at their desk. Mainly affecting IBM Model M (clicly) style boards.

B)
Can also be used to gross out Non-Techie people
A)
Bill: want to go to the club?
Bob: No, I've got to clean out my board chow, keys are starting to stick.

B)
Bill: Want to go out to get a bite?
Bob: No, i am just going to have some of my board chow/
Bill: Whats' that?
Bob: The food scraps that collect in my keyboard; Want some?
Bill: *GAG* *HURL* *GAG*
board chow by BinaryHackerMan September 3, 2007
Word of the Day on August 26, 2026
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