Is part of FReeper lore, along with "this is hugh!", stuned beebers, and the like. Most who post it are taking a sarcastic stab at the topic at hand.
If I were asked to think about when FReeperisms first began, other than the term itself of course, off the top of My head the 'Blind' instead of 'Kind' I believe probably provided the first momentum. Cal could tell you about that. She was last working with the Keyes administration when she left her more constant postings here and was asked to work there.
A "Clymer" is a FReeperism. Hugh and series are nothing more than the inane postings of some juvenile poseurs in recent years in a poor attempt to come close. Another FReeper put it best I believe when he likened it to for years having to listen to his favourite uncle who unfortunately was suffering from dementia repeating the same poor joke every morning. For about ten years.
Merely proof that Rachel Jantel has relatives or possibly even siblings with equally overinflated opinions of their own intelligence attempting to prove that they be mo' smahdah dan ol-skool.
Scribblings and spraypaint on walls as opposed to a Betsy Ross tribute to posterity, inadvertent though it might have been on her part.