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Isaac is Cockney slang for 50 pounds.

"Cor Blimey! That bloke is paying the waitress with Isaacs!"

Because Isaac Newton is on the fifty pound note.

Credit: contributed by Ben on 26-Jan-2010.

Ratings for Isaac

This slang has been rated:

Classic 60 times. Modern 30 times. Mockney 217 times.

Rate Isaac

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