dregs(the worst and lowest) noun [UK: dreɡz] [US: ˈdreɡz]
lees(the sediment that settles during fermentation of beverages, consisting of dead yeast and precipitated parts of the fruit) noun [UK: liːz] [US: ˈliːz]
trash(people of low social status or class) noun [UK: træʃ] [US: ˈtræʃ]