The Collaborative International Dictionary of English v.0.48:

Fisk \Fisk\, v. i. [Cf. Sw. fjeska to bustle about.]
   To run about; to frisk; to whisk. [Obs.]
   [1913 Webster]

         He fisks abroad, and stirreth up erroneous opinions.
                                                  --Latimer.
   [1913 Webster]