The term 'Sinjoren' is sometimes used as the collective noun
for the inhabitants of the Belgian
city of Antwerp
. The word is derived from the Spanish
" and is a link to that period of Antwerp's history
, (the 17th
century), when the city was ruled by Spanish lords
Strictly speaking, not every Antwerpian can call themselves a 'Sinjoor'. To qualify; you, your father and his father must all have been born in a certain medieval quarter of the city.
It's a bit like the Belgian version of 'cockney', I guess.