Now, smelly is a word you just don't see in advertising very often in the US. London transit authority have removed posters that asked Underground passengers "Please don't eat smelly food" after people complained that the image unfairly targeted Italian people and foodstuffs:
see it here.
This seems so, I don't know, last century -- Not a ban on all food, just a polite request to avoid smelly food. Smelly, smelly, smelly. The word gets sillier the more I say it.
All this seems relevant to my current reading -- Forster's Howard's End, which is all about codes of conduct, cultural capital, and shame...