As nouns the difference between smoggy and stoggy
is that smoggy is a person from Middlesbrough while stoggy is the woodpigeon.
As an adjective smoggy
is having smog.
smoggy
English
Noun
(Smoggies)
(Northern England, Geordie, Northumbria, pejorative) A person from Middlesbrough.
Usage notes
Originally considered to be offensive, but more recently has been adopted by the people of Middlesbrough when referring to themselves and in this context is no longer considered offensive.
English informal demonyms
stoggy
English
Noun
(stoggies)
(Northeast England) the woodpigeon.