shredder

noun5

1. •
   One who shreds or tears something.
2. •
   A machine that tears up objects into smaller pieces, especially a paper shredder, garbage shredder or gardening or farming shredder.
3. •
   A program that overwrites deleted data to prevent recovery.
4. •
   One who shreds, or plays (especially the guitar) very fast.
5. •
   (slang) Someone who snowboards; a snowboarder.