The Collaborative International Dictionary of English v.0.48:

Plouter \Plout"er\, v. i. [Also plowter, plotter.] [Perh.
   imitative.]
   To wade or move about with splashing; to dabble; also, to
   potter; trifle; idle. [Scot. & Dial. Eng.]

         I did not want to plowter about any more. --Kipling.
   [Webster 1913 Suppl.]