abbot of unreason

from The Collaborative International Dictionary of English v.0.48

Unreason \Un*rea"son\, n. [Pref. un- not + reason.]
   Want of reason; unreasonableness; absurdity.
   [1913 Webster]

   {Abbot of Unreason}. See {Abbot of Misrule}, under {Abbot}.
      [1913 Webster]