from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Slang A flashy oversize automobile used by or deemed suitable for use by a pimp.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An extravagantly large or ornate automobile, presumably suitable for a pimp.
Originated 1970–75 as an Americanism; pimp + -mobile. (Wiktionary)