Meaning of rotten egg in English:

rotten egg

Pronunciation /ˌrɒtn ˈɛɡ/

noun

  • 1An egg which has gone rotten.

    Often with reference to the sulphurous smell of rotten eggs, or to the practice of throwing them at a person to demonstrate scorn or disapproval.

  • 2figurative A worthless or contemptible person or thing.

Origin

Mid 16th century. From rotten + egg.