Colloquial, familiar term used by a wife to refer to her own husband, often with affectionate or playful tone. Not used to refer to someone else's husband.
My hubby says he'll be late again today.
The meal my husband made for me was super delicious!
Formed from 旦那 (husband, master) and the polite suffix 氏 (Mr./Ms.), used here in a playful, familiar way by wives to refer to their own husbands.