Green’s Dictionary of Slang

Newcastle Brown Ale.

1985		M. Munro Patter 48: Pint a heavy an two big Newkies by the neck.
2000		N. Griffiths Grits 232: A bottle uv Newky Brown like a weapon in is hand.
2007		M. Hayder Pig Island 303: In the kitchen I opened a bottle of Newkie Brown and sat at the table.