Synonyms for Slag:

n.

conflict diamonds, gallery, Recrement, colliery, gold rush, coal mine, coal miner, refuse, coal mining, coal, goldmine, coalfield. swinger, trollop, scarlet woman, tart, nymphomaniac, vamp. debris (noun)
Recrement, dross, residue, scoria, refuse.
residue (noun)
detritus, remainder, afterglow, sawdust, precipitate, grounds, sediment, debris, residue, dross, afterimage, chaff, scum, remnant, Filings, dregs, artifact, leftovers, vestige.
slag (noun)
dross, scoria.

Other synonyms:

vamp, scarlet woman, nymphomaniac. swinger, trollop. tart. Other relevant words:
nymphomaniac, scoria, Recrement, refuse, coal, vamp.