Meaning

noun term of address for a disrespectful and annoying male

noun a third-year undergraduate

noun the younger of two persons

originFrom junior. The town in West Virginia was established on November 13, 1897, and named after Henry G. Davis Jr. (1871–1896), a son of United States Senator from West Virginia Henry G. Davis (1823–1916) who had been drowned at sea off the Atlantic Coast of South Africa while returning home on the steamship Munkesenton.

Etymology from Wiktionary, CC BY-SA 3.0