Green’s Dictionary of Slang

lex-luther n.

[lex n.2 + pun on Lex Luthor, an enemy of the comic superhero Superman]

(US black teen) a Lexus automobile, a coveted status symbol.

[US]A. Newitz ‘Bay Area Sl.’ on Berkeley University Amer. Studies 102 Course Website 🌐 Lex-luther – Lexus (car).