The meaning mum means a beautiful person that you shouldn't mess with in a bad situation.
Mum:"love you."
Daughter:"love you too." (Sarcastic)
Mum:"ok."
Daughter:"I'm sorry."
The meaning mum means the most beautiful person anyone would love. She can solve any situation that kept you down. She is the most loving, caring and incredible person in the universe. She deserves everything you could give her.
Mum: "I love you."
Daughter: "Yeah right."
Mum's feelings: Upset, hurt and disappointment.