When someone has the derps. If that is not clear enough, you probably have it. When someone is being stupid, ignorant, or just flat out annoying, they probably have derpititus.
by Tortilla ChipS. February 3, 2017
Get the derpititus mug.Hey, have you seen Zombie's latest post? His level of derptitude is off the fuckin' charts!
Zombie's complete and utter fail at life is directly proportional to his derptitude.
Zombie's complete and utter fail at life is directly proportional to his derptitude.
by Bigstugots October 27, 2010
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An unusually incurable disorder in which the infected derp uncontrollably and prevents them from being a functional member of society or something of that nature.
by The cure. >:D July 7, 2012
Get the derpatitis mug.Having an excessive case of derpies or herp derp, where the infected replaces common words with herp or derp.
Derpatitis is commonly heard during talking or singing "ahh, herp herp herp herp herp ahh derp" or more commonly sung as "Ah, ba ba ba ba Barbara Ann"
by shazbottkc December 18, 2012
Get the derpatitis mug.The mother of all STDs only carried by the filthiest of filthy whores...aaand Paris Hilton cough cough.
Safari Guide:(In Australian accent) Look over there lurking in the bushes, there is a Paris Hilton in her natural environment, but keep at least 10 feet away, or else you'll catch Genital Herpititus Aids.
by Boyfriendizeree September 1, 2014
Get the Genital Herpititus Aids mug.A disease that causes a person to be unable to not say derp (or herp ) for more than 24 hours, ranging in severity from one per day to one per sentence to "derpderpderpderpderpderpderpderpderpderpderpderpderpderpderpderpderpderpderpderpderp derpderpderpderpderpderpderpderpderpderpderpderpderp...".
Person 1: Did you hear? Bob suffers from severe derpitis. Derp!
Person 2: Are you sure you don't have it yourself?
Person 1: Derp.
Person 2: Are you sure you don't have it yourself?
Person 1: Derp.
by Rz2750 January 2, 2014
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by schimschone March 13, 2005
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