What does shellback mean?
A person who has crossed the equator from the Southern Hemisphere to the Northern Hemisphere, especially a sailor who has completed a circumnavigation of the globe. A person who wears a leather jacket with a sheepskin lining.
Example
"The sailor was hailed as a shellback after completing his first circumnavigation."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.