Funny stuff man, I remember seeing this a while ago. He's notorious for it. He does it here with a Japanese reporter.
YouTube - Quinton "Rampage" Jackson Dry Humps 2 Reporters
Great fighter too, il never foget when he KO'd Ricardo Arona at PRIDE with that slam from hell. I actually thought Arona was dead after seeing it!
YouTube - Quinton "Rampage" Jackson -vs.- Ricardo Arona (Insane KO)