by shazbottkc February 12, 2022
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 June 18, 2012