it means that whom ever says this wants to have s*x with your mum. 'ur mum' is an expression used to agree or nuetralise a conversation.
by exwils2802802802802802802 September 26, 2023
Get the ur mum mug.by gzxy July 1, 2023
Get the Suck ya Mum and finger ya Dad mug.the mysterious figur who will come and beat you up if you shit in the sink at exactly 4:20am when you shout among us at the top of your lungs 69 times- she will also end up skimming your family.
by asdfghjkjifhbdkjnmgdlfjbhikwne July 2, 2023
Get the ur mum mug.by Kbgetsit July 29, 2023
Get the Kayden said suck your mum mug.

