have all one's eggs in one basket

noun

1. the oval or round body laid by a female bird, fish, reptile, insect, etc., containing a supply of nutrients, a protective membrane, and, when fertilized, the embryo of a new individual: many kinds of eggs have a thin, brittle shell as an outer covering
2. a reproductive cell produced by a female animal or plant; ovum
   also called egg cell
3. the egg of a domestic fowl; specif., the liquid contents of a hen's egg, as used in cooking
4. a thing resembling a hen's egg
5. Slang a person: he's a good egg

transitive verb

1. to mix or cover with the yolk or white of eggs, as in cooking
2. ☆ Informal to throw eggs at