Zack means: Five cents.. It is mainly Australian English and may not be understood outside that context. 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.
zack
(Australia, rare) Five cents.
Seen in the wild
10 citations · last seen May 2026
Seen in the wild
BlueskyMay 2026
This hour on BlueSky: Media portrayal of Jewish UK political leader Zack Polanski sparks debate on antisemitism. Reaction: Split opinions on Polanski's handling of antisemitism but agreement on the need to address an…
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BlueskyMay 2026
Zack clearly isn't the right kind of Jew for them. The same as everyone else but their mates & those who can help them make money aren't the right kind of black/white/Christian/Muslim/gay or whatever.
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BlueskyMay 2026
Zack Polanski: The trending topic revolves around Zack Polanski, the Green Party leader, facing scrutiny and criticism for various claims and actions, including false claims about his affiliations and statements on se…
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BlueskyMay 2026
I think they've racialised Zack Polanski but I think it's a different, possibly new type of racism going on
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BlueskyMay 2026
Meanwhile all the Labour stans, even the ones claiming not to be campaigning, are busy attacking Zack Polanski, and wittering on about antisemitism while simultaneously ignoring the blatant antisemitism spewing forth…
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Definitions
Australia
#1·Apr 27, 2026AUS
(Australia, rare) Five cents.
For parents
Zack means: Five cents.. It is mainly Australian English and may not be understood outside that context. 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
zack means: Five cents.. Register: informal, Australian English. Often not understood outside its region; gloss the word on first use when writing for an international audience. 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.
Heard in the wild
“What is the show? Sweet Life of Zack and”
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Australia
#2·Apr 27, 2026AUS
(Australia) Sixpence.
Origin: ; possibly an alteration or dialect form of six. Origin information sourced from Wiktionary contributors (CC BY-SA 4.0).
Heard in the wild
“This hour on BlueSky: Media portrayal of Jewish UK political leader Zack Polanski sparks debate on antisemitism. Reaction: Split opinions on Polanski's handling of antisemitism but agreement on the need to address antisemitic depictions in the media. Mood: 🤔😠😔”
— Bluesky· May 2026“Zack clearly isn't the right kind of Jew for them. The same as everyone else but their mates & those who can help them make money aren't the right kind of black/white/Christian/Muslim/gay or whatever.”
— Bluesky· May 2026“Zack Polanski: The trending topic revolves around Zack Polanski, the Green Party leader, facing scrutiny and criticism for various claims and actions, including false claims about his affiliations and statements on sensitive political issues.”
— Bluesky· May 2026“I think they've racialised Zack Polanski but I think it's a different, possibly new type of racism going on”
— Bluesky· May 2026“Meanwhile all the Labour stans, even the ones claiming not to be campaigning, are busy attacking Zack Polanski, and wittering on about antisemitism while simultaneously ignoring the blatant antisemitism spewing forth from the very establishment they hold dear.”
— Bluesky· May 2026
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Australia
#3·Apr 27, 2026AUS
(Australia) A six-month or six-year prison sentence.
Heard in the wild
“Feed: "TechCrunch" By: Zack Whittaker on Monday, May 4, 2026”
— Bluesky· May 2026“Just looking over some data ahead of our elections webinar later and Zack Polanski’s net approval rating has fallen by a fairly chunky 14 points over the last week. Still far ahead of Starmer but also puts him now well below the top three of Badenoch, Davey and Farage.”
— Bluesky· May 2026“Ok but what are you doing about your racist candidates Zack?”
— Bluesky· May 2026“No I'm saying that definition has already been functionally changed, at least on the left. It's how zack polanski treats the word, its how zohran mamdani treats the word, and its how most people under forty understand the word.”
— Bluesky· May 2026“The very point Zack Polanski has made.”
— 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.
Used in
Australia
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🇦🇺About Australian & NZ slang slang
Aussie and Kiwi vocabulary — bogan, daggy, brekkie, sheila, bach, jandals — the whole Antipodean lexicon, including outback dialect, surf and beach culture, and Sydney/Melbourne street slang.
See all Australian & NZ slang slang on Slangora.
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Other words near "zack" (Z)
Browse all slang words starting with Z.
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Semantically related
- zak65%
Sixpence or a small amount of money.
- zak64%
South African slang for money or cash, with origins in the old sixpence coin (also called a 'zak'). The word has broadened from referring to a specific small coin to money generally, though it often retains a connotation of small or insignificant amounts. Used informally across South African English by speakers of all backgrounds. The sixpence was also called a 'zak' specifically.
- zak62%
(South Africa, slang) Money.