Definition of


  1. (noun, act) a swimming kick used while treading water
  2. (verb, contact) beat thoroughly and conclusively in a competition or fight
  3. (verb, contact) give a thrashing to; beat hard
  4. (verb, contact) beat the seeds out of a grain
  5. (verb, motion) move data into and out of core rather than performing useful computation
  6. (verb, motion) beat so fast that (the heart's) output starts dropping until (it) does not manage to pump out blood at all
  7. (verb, motion) move or stir about violently
  8. (verb, motion) dance the slam dance

via WordNet, Princeton University

Origin of the word Thrash

  1. 1588, "to separate grains from wheat, etc., by beating," dial. variant of threshen (see thresh). Sense of "beat (someone) with (or as if with) a flail" is first recorded 1606. Meaning "to make wild movements like those of a flail or whip" is attested from 1846. Type of fast heavy metal music first called by this name 1982. more

via Online Etymology Dictionary, ©2001 Douglas Harper

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