crumb:
(plural: ‘crumbs‘; pronunciation: the letter ‘c’ is pronounced with a ‘k’ sound, and the letter ‘b’ is silent)
(in American slang English) a worthless, offensive and nasty person,

a crumb (Eli Wallach in a crumb character)
Eli Wallach’s character Tuco in the 1966 Hollywood film ‘The Good, The Bad and The ugly’ is a crumb, and Eli Wallach did justice to that character, and is still remembered as The Ugly crumb!
One can see lots crumbs at the market place of any small or big city in the world.
There are people who say that we cannot condemn a person as a crumb by the looks, and in a way they are right, I suppose, because those who look smart and dress smart are proven to be the worst crumbs, especially in times of financial crises, like our big bankers!

a crumb on a street
