FLOBBs ... a modern acronym,
short for:
"Flakes, LOwballers, cheap-Bastards, and
Bottom-feeders".
FLOBBs is always plural, and refers to a class of
people
who's actions are primarily irresponsible in nature and
usually cheap.
Etymology: circa 2004, from online marketplaces like
Craigslist and the increasing percentage of flaky buyers.