1) synonymous with crud
; any undesirable substance that lingers in damp or dark places such as shower walls, sewers, toilets, pond bottoms and trashcans; usually organic in nature
2) an acronym for a parasitic feminazi
with devious intent to use men for her own needs despite her hate for them; AKA Sexist Cunt Utilizes Men
1) Those catfish at the bottom of the river help clean the water by consuming the scum at the bottom.
2) Don't date that atrocious woman. She is a SCUM.