constigration: (constipation + confligration) failure to allow to pass through one's mind (recognize or admit) the contribution of one's own stupidity to the disastrous consequences that are unfolding around one in a consuming inferno.
epistemiology: (epistemology + epidemiology) the study of the population mechanisms by which stupidity propagates.
Godwin's inversion: The probability that once an analogous reference to Hitler or Nazis is made in an argument, the remaining comments by all contributors will be stupid.
jedi mind trick: the mistakenly optimistic belief that one's stupidity won't be observed in public.
ridiculocity: (ridiculous + velocity) the rate and direction at which stupidity propagates.
spidey sense: the mistakenly optimisitic belief that one's own level of good sense and special insight are always good enough.