Lamar Odom took on a paparazzo yesterday and grabbed his gear - and now we know why.

TMZ has the video from the incident, where a photographer walks up to Lamar as he waits at a traffic light and asks him repeatedly if he cheated on his wife, Khloe Kardashian. At one point, the photographer asks him about a stripper named Jennifer.

Lamar keeps his cool the first few times he's asked the question, although he gives the guy an icy stare. After asking the photographer if the rumor was about him cheating with another man, he says "I would never cheat on my wife, that's why I wear my wedding ring."

After asking the guy for his name (Stefan, or however you spell it), Lamar tells him, "I'm gonna step out the car and I'm gonna talk to you."

The video is then cut to the view of Lamar walking away with the photographer's gear, pieces of it all over the empty street. Lamar tells the guy to "shut up" when he asks for his stuff back. Lamar then poses with a fan for a photo, giving her a bright smile - classic!

Later, Lamar ended up giving him his equipment back, as the photographer explained he was "no longer a fan" and to "blame the story on Radar Online."