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Derogatory slang term for catholics used in Northern Ireland.
Apparently derives from the fact that Nuns look like Penguins, and a Penguin is a type of chocolate biscuit.
Here Gerry, your mum's a fucking chocolate biccie! y'dick!

If you like a lot o' chocolate on ur biscuit...

we’re going to need to conduct a number
of tests before I can give you any answers, y'chocolate biccie bastard!
by Mike Q Carswell February 28, 2006
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