He was spoiled by his parents and became a total mollycoddle.

mollycoddle 是由 molly（古英语中对柔弱女性的称呼）和 coddle（娇惯、溺爱）组成的复合词，字面意思是"像娇惯女性般被过度保护的人"。这个词特指"被过度溺爱而变得软弱无能的人"，带有贬义色彩。