Bottom of the barrel (4)
(Other definitions for butt that I've seen before include "Cigarette end" , "couple of hogsheads?" , "What goat may do" , "Target < vessel" , "ram > end" .)
(Other definitions for lees that I've seen before include "Wine dregs" , "worst part" , "Sediment that settles at the bottom of liquid" , "Sediment from fermentation of alcohol" , "Wine at bottom of glass" .)
'bottom of the barrel' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for worst that I've seen before include "Make mincemeat of" , "Best; least good" , "the pits" , "Most badly" , "Far from the best - defeat" .)
'bottom of the barrel' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for dregs that I've seen before include "Dross" , "Sediment, lees" , "Wine sediment" , "Sediment at the bottom of a liquid" , "Residue of drink" .)