Disreputable or sordid in a rakish or appealing way.
Originating from early 19th century French, louche literally translates to squinting.
“Fresh of face and louche of manner, they are equal parts Dickensian urchins and Wildean dandies.”
“Louche he may be but I am able to resist his charms and see him for what he is.”
A violent young trouble maker, often the member of a gang.
Fascinating etymology, hooligan comes from the Irish surname Houlihan. In the 1890s and through to the turn of the century, Irishman Patrick Hoolihan and his family ran riot in London to such an extent that their name became synonymous with disruptive and thuggish behaviour.