sugar daddy

"Huh, indeed!" Isobel answered him. "Proposing, or propositioning? If either of you two Romeos ever rattle the doorknob of my room at night again, you're apt to get a bullet through it." Jake winced. "Wasn't me. Look at my gray hair, Isobel. I'm old enough to be your daddy." "Sugar daddy, I suppose," she said mockingly.