spoil someone rotten

verb1

•
To overindulge someone, especially when it results in making them selfish and demanding.
- Naylonfred had spoiled them rotten, making them selfish and demanding. — 2013

forms

spoiled someone rotten · spoilt somebody rotten · spoilt someone rotten · spoiling somebody rotten · spoiling someone rotten · spoils somebody rotten · spoils someone rotten