To do too much of; elaborate on excessively; overdo: used mainly in the phrase over-egg the (or one's) puddingover-egg the pudding, to mar an undertaking by doing more than is necessary or desirable.
To over-egg is a British word that is defined as to overdo.
An example of over-egg is to throw an elaborate first birthday party including clowns, zoo animals and a trapeze.
Origin of over-egg
From the phrase to over-egg the pudding