Egg. It is an element of reproduction of many living beings, that when it is already fertilized contains an embryo and is called a Zygote. Cell base of life. Reproductive element of vertebrates such as fish, frogs, amphibians, birds and some mammals called monotremes. It is also the form of reproduction of the insects. Testicle, Roe, cojón. Plural ( 41 eggs; It stands for courage, courage, bravery. In Colombia the expression " it has egg " It means that you there's nothing of reason in what he says. The expression " vale egg " in Colombia it means that it is not worth anything, that what he says has no validity, of interest, negligible.