verb: the act of having sex with a female doggy style, and as the man reaches his peak, screams out "This is Sparta" followed by pulling out and pushing the the girl's head into the headboard or drywall by pushing her ass abutply with his foot.
Friend 1: What was that sick move you pulled on Melissa last week that put her in the hospital?
Friend 2: I Pulled a "300" on her. The funny part was trying to explain that to the police for the domestic report.