flop over
To turn someone or something over roughly. A noun or pronoun can be used between "flop" and "over." As soon as the lifeguard flopped the boy over, he started coughing up water. Hey, don't just flop that over—it's breakable!
flop someone or something over
to turn someone or something over, awkwardly or carelessly. They flopped the unconscious man over, searching for his identification. They flopped over the injured man.