noun. A repulsive quality not unlike varmintitude and sleazebagness.
Real citation: "Ron Wilson has a habit of calling out players for misdeeds in times of failure, only he never names names. It's as if he wants to protect the miscreants while declaring their ... well, miscreantitude."
(Ray Ratto, May 4, 2007, SFGate, http://news.sfgate.com/cgi-bin/article.cgi?f=/c/a/2007/05/04/SPGQVPL10B1.DTL&hw=difference&sn=090&sc=344)
Made-up citation: "Scientists have identified the gene for miscreantitude. Unfortunately, it is located on the grow-lungs-here gene, making the prospects for mandatory miscreantectomy unlikely."