The teams will play in the first round of the playoffs starting on Saturday in Los Angeles.
"He is a good guy off the court but he probably just ... I mean ... plays pretty physical and flops a little bit," Thompson said on the 95.7 The Game radio
"He flairs his arm around so you know you might catch a random elbow or something that doesn't you know rub off too well on guys," Thompson said. "He's kind of like a bull in a china shop, kind of out of control sometimes. And then you do just see him flop sometimes like how can a guy that big and strong flop that much."
Griffin was ejected on Christmas Day in a game between the two teams when he got into an altercation with Warriors center Andrew Bogut. Griffin later said that the Warriors play "cowardly basketball."
"I can see how that gets under people's skin and be frustrating to play against," Thompson said.