What is "scumming"

Scum \Scum\, v. t. [imp. & p. p. Scummed; p. pr. & vb. n. Scumming.]

1. To take the scum from; to clear off the impure matter from the surface of; to skim.

   You that scum the molten lead.
   --Dryden & Lee.

2. To sweep or range over the surface of. [Obs.]

   Wandering up and down without certain seat, they lived by scumming those seas and shores as pirates.
   --Milton.

Scumming \Scum"ming\, n.

1. The act of taking off scum.

2. That which is scummed off; skimmings; scum; -- used chiefly in the plural.

Etymology 1 n. 1 (context printing English) The accumulation of sticky ink on a plate. 2 (context chiefly in the plural English) That which is scummed off; skimmings; scum. Etymology 2

n. 1 (context video games derogatory English) The strategy of collecting easy rewards in unchallenging areas, e.g. when a high-level character visits levels suitable for low-level characters in roguelike games. 2 (context video games derogatory English) The act of restoring a game's save file for the purpose of continuing play with a better outcome than was obtained the first time.

1. n. worthless people [syn: trash]

2. a film of impurities or vegetation that can form on the surface of a liquid

3. [also: scumming, scummed]

See scum