Deliberately offering to buy an item for far less than it's worth to take advantage of some poor desperate, out-of-work, soon-to-be-homeless sucker's bad luck. The item will then be resold to finance this person's worthless lifestyle.
"C'mon, I aint loballin'. That old Corvette needs new tires & stuff, so I'll give you a generous $1200."
A person who tries to get something for lower price than alreadyset
Some lowballer just called me for this phone I put up on sale in craigslist and asked me if I could offer him a lower price for it than what I've already listed. To be curtious and not waste my time, I told him I would call him back but never did.