2007, Molly Gloss, The Hearts of Horses[1], Houghton Mifflin Company, →ISBN:
The week before, watching her work, Logerwell had called out to her, "I can tell you right now, if you mollycoddle a horse he'll turn out spoilt, and I've had to unspoil plenty of horses that've been girl-broke. […]
2007, Donald Trump, Bill Zanker, Think Big: Make It Happen in Business and Life, HarperCollins, →ISBN, page 155:
A few negative people can ruin an entire office environment, which shows you how powerful negativity is. It is so bad, even positive workers can't “unspoil” it.
2011, Jane Douch, From Pamela Jane with Some Honor, Strategic Book Group, →ISBN, page 32:
As John grew into a toddler he was quite spoilt, so I took the serious responsibility of unspoiling him.