Datadiddling: The digital manipulation of facts.
Deatherapy: The medicalization of murder.
Demigraphics: A poorly composed, wretchedly distracting PowerPoint presentation.
Demockeracy: Making a mockery of constitutional freedoms and liberties in the name of constitutional freedoms and liberties.
Designosaurs: Perpetuators of bad, out-dated design.
Destinesia: Arriving at a destination but having forgotten why you went in the first place.
Dipsomanagerial: The insatiable, often periodic craving of government functionaries to micro-manage rather than macro-lead in the face of a cultural crisis.
Disconfect: To sterilize the piece of candy you dropped on the floor by blowing on it, somehow assuming this will remove all the germs.
Dopeler effect: The tendency of ridiculous ideas to gain currency simply because they are repeatedly, incessantly broadcast over the airwaves.
Dyspecia: An anti-human bias among certain social scientists.
Dyspensensationalism: A manically dystopic, feverishly sensational eschatology.