noun General Slang

Septic Tank

/ˌsep.tɪk ˈtæŋk/ · noun · vulgar

Cockney rhyming slang for a Yank — a not-so-flattering term for an American.

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Definitions

1

Generic shorthand for American things or culture, with an edge.

“It's all very septic, the giant portions and the free refills.”
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2

An American. 'Septic tank' rhymes with 'Yank', usually shortened to 'septic' or 'seppo' in Australia.

“A coach load of septics turned up at the pub asking for the 'restroom'.”
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3

Used a bit rudely to mark someone out as a loud or stereotypical American.

“You could tell he was a septic the second he opened his mouth.”
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Septic Tank In A Sentence

The bar was full of septic tanks over for the football.
She married a septic and moved out to California.
Bless him, proper septic, called the pavement a 'sidewalk'.

Origin & Usage

Cockney rhyming slang where 'septic tank' rhymes with 'Yank', a term for an American. It travelled to Australia too, where 'seppo' became common. The 'septic' image makes it deliberately rude.

Variants septicseppo
Tags #cockney#rhyming#british#american#mle

People Also Ask

What does septic tank mean in Cockney?

It's rhyming slang for Yank, meaning an American. 'Tank' rhymes with 'Yank'.

Is calling someone a septic offensive?

It's cheeky and a bit rude given the imagery, usually teasing rather than seriously hostile, but not exactly a compliment.

What does 'seppo' mean in Australian slang?

It's the Aussie short form of 'septic tank', meaning an American, derived from the same rhyme as the Cockney term.

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