Noun. 1. vas deferens-a duct that carries spermatozoa from the epididymis to the ejaculatory duct. ductus deferens.
Judge Advocate General of the Navy. The Judge Advocate General of the Navy (JAG) is the highest-ranking uniformed lawyer in the United States Department of the Navy. The Judge Advocate General is the principal advisor to the Secretary of the Navy and the Chief of Naval Operations on legal matters pertaining to the Navy.
Jagoff or jag-off is an American English derogatory slang term from Pittsburghese meaning a person who is stupid or inept. It is most prominent in the Greater Pittsburgh area. The Dictionary of American Regional English defines the term as a general term of disparagement..