Barmpot

Old fashioned word used in the north of England to describe a person who is mischievous or clowning around. Often proceeded with an adjective; silly/daft

Stop running in the house, you're gonna break summat ya silly barmpot

Young boy: "Were you there at Jesus's crucifixion Nan?"
Old woman: "Don't be daft you cheeky barmpot"

A Bag

Rhyming slang for a thousand pounds/dollars/euros etc

'A Bag of Sand = A Grand

"How much do you owe your dealer now?"

"A full bag"

"A bag? Jeeezus!"