Ex-WWE superstar Velveteen Dream exploded on an officer over his Miranda rights during an arrest earlier this year ... hurling f-bombs at the cop and calling him a "rookie" repeatedly -- new police video, obtained by TMZ Sports, shows.
The footage was captured on officer-worn body cameras on Aug. 20 ... after the Orlando Police Dept. said the wrestler -- real name Patrick Clark -- bit and punched a gym employee following an altercation at a fitness facility in Orlando, FL.
The video shows as soon as cops put Clark in cuffs -- he immediately became combative .