Street
kosher
What does kosher mean?
Legitimate, proper or trustworthy — the opposite of dodgy.
"Don't worry, the paperwork's all kosher."
Origin
From Yiddish/Hebrew 'kosher' (fit, proper); absorbed into East End slang via the Jewish community.
Frequently asked questions
What does 'kosher' mean in slang?
It means genuine, legitimate and above board, the opposite of dodgy.
Where does the slang 'kosher' come from?
From the Yiddish and Hebrew word for 'fit' or 'proper'. It entered East End London slang through the Jewish community and broadened to mean anything trustworthy.
How do you use 'kosher'?
You'd say 'Don't worry, the paperwork's all kosher' to mean everything is legitimate and correct.
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