rough up

rough it informal
to live for a short time in conditions that are not very comfortable
To live without the usual comforts and conveniences:
roughed it in a small hunting shack.
I don't mind roughing it for a while.
rough out　
to draw or write something without including all the details
　a diagram the engineer had roughed out on his notepad
rough up
informal to attack someone and hurt them by hitting them
The police officers roughed them up.