Based on context, could either mean "testicles" or, eggs. However, people tend to be unclear with this at times...

The word means "eggs," but the reference to "balls" is so strong that you have to watch out using the word at all. Polite girls would probably order blanquillos (little white things) from a male waiter.

Spanish word that means either egg or testicle.

Eggs in Spanish, but commonly used to describe testicles.

The male genitals...

testicles, balls, nuts, etc. in spanish

1) The Spanish word for eggs
2) A Spanish slang term for balls