Definitions of thrash

1. To perform the business of thrashing; to drudge.

2. To whip.

3. To beat out ( grain) from the hull or husk; colloquially. to flog.

4. To beat out grain from the straw: to beat soundly.

5. To beat grain from, as straw; to beat soundly.

6. To beat out grain; to move violently; often with about. Also, thresh.

7. beat so fast that ( the heart's) output starts dropping until ( it) does not manage to pump out blood at all

8. move data into and out of core rather than performing useful computation; " The system is thrashing again!"

9. To throw oneself about violently; dash. thresh.

10. To beat out grain from the husk; to beat soundly with a stick or whip; to drub.

11. To beat, as corn, in order to separate the seed from the straw; to beat soundly; to work at thrashing.

12. a swimming kick used while treading water

13. THRASHER.