Active shooter means: A person actively engaged in a shooting spree.. It is military jargon and mostly appears in service contexts, war fiction, or among veterans and their families. There is no real cause for parental concern; it is descriptive vocabulary rather than risky behaviour. If your teen uses it, context will usually make the intent clear. A short, curious question about where they heard it is usually all that is needed to know whether to follow up.
active shooter
(US, military, law enforcement) A person actively engaged in a shooting spree.
ˌæk.tɪv ˈʃuːtɚDocumented since 1990s1990sGen ZhistoricalCurrent177 viewsLast reviewed Jun 29, 2026＋ Add a definition
Seen in the wild
5 citations · last seen May 2026
Etymology timeline
Born ~1999 · 1 year of recorded useMillennial / early-internet eraSee decade cohort →
Seen in the wild
BlueskyMay 2026
I had to watch an active shooter training video at work but at least it had some funny stock footage
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BlueskyMay 2026
I was three years old...and highlights from this film, of homes bursting into flaming matchsticks, haunted my youth. This was our version of active shooter drills.
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BlueskyMay 2026
I swear Trump gets a Viagra-assisted wooden whenever he talks like this Saying this to kids — the ones who have to do active shooter drills at school — is just repulsive.
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BlueskyMay 2026
Senate Republicans late Monday proposed $1 BILLION to pay for new White House security measures while nothing but thoughts and prayers and active shooter drills for our schoolkids MAGA! WINNING!! (heavy snark!)…
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BlueskyMay 2026
I’m sure active shooter drill kids just love ICE strormimg the school MASKED AND ARMED. White people ARE SICK
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Definitions
Global
#1·Apr 27, 2026Global
(US, military, law enforcement) A person actively engaged in a shooting spree.
In most cases, active shooters use firearms and there is no pattern or method to their selection of victims.
Origin: The sense “individual engaged in a shooting spree” was popularized in the wake of the Columbine High School massacre (1999). Origin information sourced from Wiktionary contributors (CC BY-SA 4.0).
For parents
Active shooter means: A person actively engaged in a shooting spree.. It is military jargon and mostly appears in service contexts, war fiction, or among veterans and their families. There is no real cause for parental concern; it is descriptive vocabulary rather than risky behaviour. If your teen uses it, context will usually make the intent clear. A short, curious question about where they heard it is usually all that is needed to know whether to follow up.
For ESL learners
active shooter means: A person actively engaged in a shooting spree.. Register: informal, military jargon. Common learner mistake is using the word in a register it does not fit, or assuming a single global meaning; always check the context before producing it yourself. A formal-English equivalent (a synonym or descriptive phrase) is usually safer in writing. When in doubt, paraphrase rather than reuse the slang form.
Cluster: authority_figure
Heard in the wild
“I had to watch an active shooter training video at work but at least it had some funny stock footage”
— Bluesky· May 2026“I was three years old...and highlights from this film, of homes bursting into flaming matchsticks, haunted my youth. This was our version of active shooter drills.”
— Bluesky· May 2026“I swear Trump gets a Viagra-assisted wooden whenever he talks like this Saying this to kids — the ones who have to do active shooter drills at school — is just repulsive.”
— Bluesky· May 2026“Senate Republicans late Monday proposed $1 BILLION to pay for new White House security measures while nothing but thoughts and prayers and active shooter drills for our schoolkids MAGA! WINNING!! (heavy snark!) www.washingtonpost.com/politics/202...”
— Bluesky· May 2026“I’m sure active shooter drill kids just love ICE strormimg the school MASKED AND ARMED. White people ARE SICK”
— Bluesky· May 2026
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For specific readers
Why is this section here?
Slang is read by different audiences for very different reasons. The For parents view re-explains the term in plain, non-judgemental language so a caregiver can understand what their child means without needing the surrounding subculture. The For English learners view focuses on register (when it's safe to use), formal alternatives, and common mistakes — what a textbook won't teach you.
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🗺️About Regional & Other slang
Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
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Other words near "active shooter" (A)
action modeaction pilledaction stationsaction sznactivation phraseactive serviceactivist judgeactivist justiceact of CongressAct of Parliament clockact one's ageact the jennet
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Related terms
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Semantically related
- mass shooter75%
(chiefly, US, crime) Someone who commits a mass shooting.
- school shooter73%
(chiefly, US, crime) Someone who commits a school shooting.
- mall shooter70%
(chiefly, US, crime) Someone who commits a mall shooting.
- mass shooting63%
(chiefly, US, crime) The shooting of multiple people over a short period of time, particularly when there are many victims and in which the victims are targeted indiscriminately.
- officer-involved shooting63%
(US, euphemism) An incident in which a police officer shoots at another person.