1
general::
Zero, nothing, especially a score of zero. For example, Our team did badly, earning goose egg, or My income from writing this year was goose egg. This expression is an Americanization of the earlier British duck's egg. [Mid-1800s]
American Heritage Idioms
2
general::
Phrase(s): goose egg
1. Fig. a raised bump on the skull as when one’s head has been struck. • I walked into the edge of the door and got a terrible goose egg. 2. Fig. in a sports score, zero. • At the end of the game there was nothing but goose eggs next to our name.
McGrawhill's American Idioms And Phrasal Verbs