Definitions by Rz2750
Derpitis
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...".