IROC- ignorant redneck out cruising
IROC- italian retard out cruising

CHEVROLET- Cheap Heap Every Valve Rattles Oil Leaks Every Time
HYUNDAI- How Young Ugly Nerds Drive An Import
HONDA- Hold On Nearly Done Accelerating

those are the extent of my acronym arsenal.
edit- i should've read the rest of the thread... anyways one more...

SUBARU- U R A Bus!

Scott