noun. A multi-poled version of sad-sackism.
Real citation: “July 4th was a bust like I knew it would be. I drunk dialed (though I barely drank) and ended up in sad-sack mode with ye olde partner in sad-to-manic-sackery.”
(July 8, 2007, I love you in the face, http://iloveyouintheface.blogspot.com/2007/07/im-drunk-on-independenceand-beer.html)
Made-up citation: "Sad-to-manic-sackery is an annoying trait, but it beats leprosy."