Nothing, zip, zero. Jolly term to describe the abscence of an item sought.

Suggested origin is from the Cockney rhyming slang 'Sausage and mash' used to mean 'cash', or money. Hence 'not a sausage' to mean 'no cash' or 'nothing'.

Colloquialism: "nothing at all".

Comes from English slang; exact origin is unknown.