ack-ack
(military slang, uncountable) fire.
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Definitions
(military slang, uncountable) fire.
Ack-acks were set up in the square.
Comments
(military slang) artillery.
““Second Army In The World™️” reduced to copying Ukraine’s ack-ack technical squads, but with far less success…”
“I thought Patriot Defense systems worked? Ok...naive. drones you should down with Ack-Ack guns and counter drones.”
The army fired upon us with ack-ack.
Ack-ack means: artillery.. 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.
ack-ack means: artillery.. Register: informal, military jargon. Suitable only for casual conversation, chat and social media. Do not use in business, academic or news writing. A common learner mistake is using the word in a register it does not fit, or assuming a single global meaning; native speakers immediately notice when slang appears in formal contexts, so always check the surrounding register before producing it yourself.
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