1. Sometimes he appeared like a mother's boy, at other times a thug.
2. He was always so much his mother's boy, and he all but raised his sister.
3. She always makes sure he wears a scarf — he's a real mother's boy.
4. Jacob had never left his father's room before; he had been a mother's boy and not an adventurer like his brother.
5. My brother - in - law is just a pansy because he is a mother's boy.