shredding

/SH R EH1 D IH0 NG/
verb
  1. 1

    To cut or tear into narrow and long pieces or strips.

  2. 2

    To reduce by a large percentage.

  3. 3

    To lop; to prune; to trim.

  4. 4

    To ride aggressively.

  5. 5

    To drop fat and water weight before a competition.

  6. 6

    To play very fast (especially guitar solos in rock and metal genres).

noun
  1. 1

    The act of cutting or tearing into shreds.

  2. 2

    That which is cut or torn off; a piece.

  3. 3

    A style of very fast and very complex guitar playing.

Source: https://en.wiktionary.org/wiki/shred, https://en.wiktionary.org/wiki/shredding