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1.
A small amount, volume or length.

Comes from the town Wigan in the northwest of England (in between Liverpool and Manchester), little known but well document and well used by the few who know.

Scoruk is a noun, descriptive of a item which doesn't exist but the word is regularly used to relate to a small amount, size or length becoming a verb, eg, a scoruk of paper lay on the desk.
"My pint glass only had a scoruk of beer left."

"He barely had a scoruk of a knob!"

For someone on low pay "I don't get paid a scoruk of a wage"
by Rob & Geoff August 21, 2008