When a person is completely and utterly whipped by one/or more people. It is to be on a short lead ready to do whatever and whenever she wants. They are completely dominated and at the complete mercy of their girlfriend that there really isn't much man left in them anymore. Common slang words associated with Whipped - little bitch, dutch pussy, sexual slave. Usually people with this type of problem have extremely small penises or are virgins.
Man one: "Ollie is such a whipped bitch and needs to grow a sack"
Man two: "I know where is Kat's little pet?"