Lay an egg

What is Lay an egg?

Lay an egg definition and meaning on Dictionary terms:
noun

the roundish reproductive body produced by the female of certain animals, as birds and most reptiles, consisting of an ovum and its envelope of albumen, jelly, membranes, egg case, or shell, according to species.
such a body produced by a domestic bird, especially the hen.
the contents of an egg or eggs: raw egg; fried eggs.
anything resembling a hen’s egg.
Also called egg cell. the female gamete; ovum.
Informal. person: He’s a good egg.
Slang. an aerial bomb.