To run swiftly; shoot or fly along with haste.Nautical, to run before a gale with little or no sail set.To throw thin flat stones so that they skip over the surface of water.In tanning, to remove remaining hairs, dirt, etc., from (skins or hides) with a hand-knife after depilation.To pass over quickly.To beat or chastise, especially on the bare buttocks; skelp; spank.n. The act of scudding; a driving along; a running or rushing with speed or precipitation.n. Small detached clouds driven rapidly along under a mass of storm-cloud: a common accompaniment of rain.n. A slight flying shower.n. A small number of larks, less than a flock.n. A swift runner; a scudder.n. A smart stroke with the open hand; a skelp; a slap: as, to give one a scud on the face.n. A beach-flea or sand-flea: some small crustacean, as an isopod or amphipod.n. One of the largest scuds is Gammarus ornatus of the New England coast.n. Dirt, lime, and fat left in the grain of a skin after it comes from the puer.