generally refers to a subcompact car, often featuring a hatchback and bought at a
low price. similar to a
beater car, a
hoopty, a bucket, etc but probably in a more endearing way.
"I got this little putt putt for $300 from a friend"
examples of a putt putt include: classic volkswagen beetle, geo
metro, mini
cooper, honda crx, amc gremlin, chevy aveo, chevy
vega, ford pinto, chevy chevette.