Short for: "You know what I mean?"
"Yao Ming?" is higly localized. I coined it first when Yao Ming signed on with the Rockets, and since then I've heard my friends around the Houston area say it. It's catchy!
Emily: Man, I hate Monday mornings! I can't stay awake in my early classes...Yao Ming?
Kat: I totally know what you mean! I'm about to collapse!