"Nans" is British for "Moms", or "Grandmothers", often used by a roadman on the streets.
"packs" is British for "cigarette packs" and is used by smokers, and referred to as a valuable item for adults.

The word combine is "Nans packs" is British for "Moms cigarette packs" and is often used to describe English minors who steals cigarette packs from their mother in law and referred to as an insult to disobedient minors.
Lund: English teens only drink and smoke nans packs.
Greggles: Not on my streets.
by The DeltaMan December 26, 2017
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