knock about - Phrases/Idioms
Be rough or brutal with, maltreat, as in He was known to knock his wife about on a regular basis. [c. 1800]
Wander from place to place, as in They were knocking around Europe all summer. [Colloquial; c. 1830]
Discuss or consider, as in They met to knock about some new ideas. [Mid-1900s] Also see kick around.
Also, knock around.