Mummywhipped
A phenomenon that occurs when someone is pussywhipped by their own mother. They usually call said mother "mummy"
Person 1: "Hey, did you hear that Dave can't come out because his mum made them stay in and spend time together?"
Person 2: "Fuck, I didn't realise Dave was so mummywhipped"
Person 2: "Fuck, I didn't realise Dave was so mummywhipped"