fanny about

/F AE1 N IY0 AH0 B AW0 T/
verb
  1. 1

    (chiefly British, intransitive, slang) To waste time or fool around; to engage in activity which produces little or no accomplishment.

  2. 2

    (chiefly British, transitive and intransitive, slang) To wander about or prowl around.