Bottom of The Barrel
Bottom of The Barrel : Phrases
The least desirable or the dregs.
The selection committee had trouble finding suitable candidates for the CEO position - they were settling for the bottom of the barrel.
This phrase refers to the sediment left by wine ina barrel, and was first used by Cicero to describe the lowest elements of Roman society.
Scrape the bottom of the barrel means to use the least desirable elements (because there is no choice).