To beat someone, as you would a mule that did not belong to you. Without hesitancey.
Bitch, I'm gonna beat you like a rented Mule.
de Philip 12 Septembrie 2003
2 more definitions
To mistreat for one's own interests without fear of reprimand.
He beat that dog like a rented mule.
de Lew Stuwle 12 Iulie 2003