fisk

verb2

1. •
   To rebut an argument line by line, especially on the Internet.

   • A proper fisking leaves the reader with a clear understanding that the text so fisked was appallingly wrong in every important respect! — 2002
2. •
   (no longer used) To run about; to fist; to whisk.

   • [W]hen the light of Goddes word is once reueled, then he is busy, then he rores then he fyskes abrode, and styrreth vp erronious opiniõs. — 1549