An old boy goes into the pub, orders a pint and asks the new landlord where the free snuff is?
The landlord knows nothing about this, but is increasingly frustrated by the old boy’s insistence that there should be free snuff, so he goes out back, finds some dried dogpoop, grinds it up into a powder and presents it in a nice box to the old boy.
As the old boy is pinching and snorting he’s joined by another old guy.
“Have you trod in dogpoop?” asks the first old boy, to which the other guy checks his shoes and replies that he hasn’t and can’t smell dogpoop at all.
“Try this snuff, that’ll sort your sinuses out a treat”, so the other guy pinches, snorts and his eyes widen.
“That’s good snuff, I can definitely smell it now…”