A very, very minor or "baby" problem that usually takes more time to discuss than solve. It is usually over-stated in an annoying way.
Boss: "You are behind on your sales numbers for the month by 2.5639%. What are you gonna do to make it up!?"
Employee: "Dude, I'm gonna burp ya - cuz that is not a real problem, it's a "PABLUM".... and pablum is for babies...".