dregs /dreɡz/ BrE AmE noun
[ Date: 1300-1400 ; Language: Old Norse ; Origin: dregg ]
1 . [plural] a small amount of a drink, sometimes with bits in, left at the bottom of a cup, glass, or bottle
2 . the dregs of society/humanity not polite an offensive expression used to describe the people that you consider are the least important or useful in society