The name of the main character on the HBO comedy series "Eastbound and Down", played by Danny McBride. Kenny Powers is an ex-baseball star that is trying to get back into the Majors while living with his brother and working as a physical education teacher.
Kenny Powers is when a man pulls out during intercourse, ejaculates in his hand, and throws the ejaculate at the woman's face with great speed. Much like the pitching of Kenny Powers