A state of relative nothingness, boredom, frustration, or just general existence for which there is no adequate substitute. Merbling can be an action, as well as an adjective, or a general conversation filler, as well as noun (merbler). There are many forms of merble, but all involve similar, unexciting emotions.
"Man, about ten minutes into that 3-hour lecture, I was merbling hard, it only got worse from there"
A person who never give up and go on and on. Loyal and a true friend. Smiles every day, even when she isn't happy. Very selfcritical, but also very mad. Beautiful, but she don't realize. Listen to everybody