What is the meaning of Knock_about?

To hit (someone or something) all over repeatedly; hence, to behave violently towards or mistreat (someone or something).

To knock back a drink; to finish a drink.

1. To move or roam around aimlessly.

   To move or roam around aimlessly.

   To live an unconventional life.

   To be present at or inhabit a certain place.

   To engage in a relaxing activity in a place; to hang around in.

   Often followed by with: to spend time companionably; to hang around.

   To be mislaid in a place.

   Source: wiktionary.org