A disparaging term used to refer to a certain clique of north London, white, liberal, middle-aged mothers. They can be seen frequenting Gail's, Hampstead Heath, brunch, and attending yoga and pilates. They are known to be 'right-on'- meaning they empathise with their children on issues such as inequality and climate change, while simultaneously driving an oversized 4x4 to drop little Tom and Eva off every morning at their £20,000 a year private school.
1: Have you been keeping up with Susan on FaceBook recently?
2: Yeah she's become a real Highgate Mum ever since she started shopping at Waitrose
2: Yeah she's become a real Highgate Mum ever since she started shopping at Waitrose
by MultiTrack June 26, 2021
Get the Highgate Mummug. when u insult your british friend they will most likely say this to you they will say "I know ur mum is tho."
by lizzie.io December 20, 2019
Get the ur mummug. A women who is willing to wank off the entire rugby team because they said they needed their cocks cleaned. Usually a very nice lady but thick as shit. She probably likes art and cooking. you'll never see her do anything else.
by the dark lord October 18, 2018
Get the Robbie's mummug. 
she's a woman who wanted to help a kid that could have ended up in bad hands. she's caring and loving and wishes you were here own. adopted kids should be so grateful that people wanted to take care of them. they should also be really nice to her because she might have not been able to have her own kids.
shane: here's a poor little kid nobody wants to adopted that's sad
foster mum: I'm going to love her so much, and hope she tures out like me
foster mum: I'm kindheated and not judgemetal
foster mum: I'm going to love her so much, and hope she tures out like me
foster mum: I'm kindheated and not judgemetal
by Yananai September 30, 2017
Get the foster mummug. Sid's Mum is a sexual position which originated in India. It is a sexual position where a guy called Sid calls over his friends to his house and then his friends shout "Sid's Mum", which leads to Sid's Mum running over to Sid's bedroom and proceeding in a group orgy with his friend's on his bed.
by Sid's Master July 19, 2018
Get the Sid's Mummug. The thing that a retard says after u say something like “What did you do today?” Then he answers “Ur Mum”
by Shivi Wivy January 30, 2019
Get the Ur Mummug.