Manic (7)

I believe the answer is:
berserk
(Other definitions for berserk that I've seen before include "nuts" , "Insane" , "Mad" , "'Frenzied, as if possessed by a demon (7)'" , "Violently frenzied" .)
I believe the answer is:
berserk
(Other definitions for berserk that I've seen before include "nuts" , "Insane" , "Mad" , "'Frenzied, as if possessed by a demon (7)'" , "Violently frenzied" .)