phrase Street Slang

Dun Know

/dʌn ˈnəʊ/ · phrase · slang

'You already know' — an emphatic yes, agreement, or confirmation.

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Definitions

1

A standalone affirmation dropped at the end of a statement for emphasis.

“Best in the ends, dun know.”
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2

Used to confirm something obvious or expected, like 'of course' or 'no doubt'.

“We're winning this, dun know.”
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3

Short for 'you done know', meaning 'you already know' — an emphatic agreement or confirmation.

“'You coming to the link later?' 'Dun know.'”
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Dun Know In A Sentence

Free this weekend? Dun know, let's move.
Dun know I got your back if it goes down.
'Is the food good there?' 'Dun know fam, trust me.'

Origin & Usage

Jamaican Patois ('you done know') that entered London road slang through Caribbean diaspora communities. Standard in MLE and UK drill culture.

People Also Ask

What does dun know mean in texting?

It means 'you already know', used as an emphatic yes or agreement. It's not the same as 'dunno' (don't know).

Is dun know the same as 'I don't know'?

No, that's a common mix-up. 'Dun know' means 'you already know' (a confident yes), while 'dunno' means 'don't know'.

Where does dun know come from?

It comes from Jamaican Patois 'you done know' and spread into London slang through Caribbean communities.

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