Those are the old old old friends whose careers stall, they are clueless why, see blurbs about us on social networks, and send one of those cute e-cards to get back in touch. Ha-ha-ha.
This whole thing is a funny syndrome. There seems to be a sense of entitlement because they knew us way back when. The brutal reality is that we would prefer not being identified as who were in college.
As in high school, in college there are Early Peakers. They seem golden. But that can't be sustained, not usually. They fade or wind up on welfare. Then there are the Very Late Bloomers. Because we were so inept in navigating life, we suffered enough to have to learn. Frequently that was slowly. During that time we came to put together careers which surprised even us, especially in their staying power.
One cockroach was among The Smugs in college. Today she doesn't even know how to profile herself on LinkedIn. Another leveraged nostalgia. A third went bossy, dictating what I must see in the Southwest even before I relocated.
Since we will likely work until we are into our 80s and will be increasingly out there in cyberspace, we will have to learn to roach-proof our networks.