to make something seem larger, more important, better, or worse than it really is

We all know insurance claimants who have over-egged the pudding to increase their payouts.

It would be overegging the pudding to describe the system as universally popular. 将该系统描述为盛极一时，这未免过于夸张了。

to spoil something by trying too hard to improve it

There are some great moments, but the writer tends to over-egg the pudding with metaphors and similes when all she's describing is a group of women getting through the day. 尽管纪录了一些伟大的时刻，但是作者不过是在叙述一群妇女打发日子的平凡事迹，不需要频频用隐喻和明喻来过度渲染。