Derpology is the study of stupid people who are known throughout their communities as the derpy ones. This term can be offensive, for example " OI YOU DERP ". You can study this at the university of derpington, you may also Herp.
Is the observation that common socially acceptable behaviors, reactionary standards of dispute resolution, interests in higher learning and "self betterment" are on the sharp decline in America and some other country/states . Many Derpatologists agree; with the constant incline of the state of "Derp", lower I.Q's will follow at an equal or sharply worsening rate.
Very un-common to use in sentence structure, since it's not science just rhetoric at this point. But as a rudimentary example:
"Got my B.S. in Sociology. Served four years in Peace Core. Became a parole officer. Yada yada yada, later found my way into derpatology."
A well-versed Johnny Depp fan that knows his/her shit on the matter.
Has seen more than just Pirates of the Caribbean and can quote deppisms off the top of his/her head.
Knows the truth behind all of the rumors about the man and can play six degrees of Johnny Depp like nobody's business.
The exalted study of the derps, an elusive species of reptilian-like creatures that lurk in the interwebs and feed on the stupidity of people and various forum posters.
Dr. Lee, licensed with a degree in derpotology, has just resumed his research and thesis on the elusive Derpicus hurrdurricus.