sugar daddy 
noun informal
A rich older man who lavishes gifts on a young woman in return for her company or sexual favours.Now I just need to find myself a rich sugar daddy to pay off that and the rest of my debt for me, and I'm all set....
- ‘He's not much of a sugar daddy for such a young girl,’ I remarked over our dinners.
- If Sophie was hoping to hook a rich sugar daddy, this was the place.
- undernourished
- undernourishment
- undernutrition
- underoccupancy
- under one's arm
- under one's belt
- under one's breath
- under one's feet
- under one's own steam
- under one's wing
- under (or in) no circumstances
- under (or in) the circumstances
- under (or on) oath
- under (or on) penalty of
- underpaid
- underpainting
- underpants
- underpart
- underpass
- underpay
- underpayment
- underperform
- underperformance
- underpin
- underpinning