The Collaborative International Dictionary of English v.0.48:

Forcible-feeble \For"ci*ble-fee`ble\, a. [From Feeble, a
   character in the Second Part of Shakespeare's "King Henry
   IV.," to whom Falstaff derisively applies the epithet
   "forcible."]
   Seemingly vigorous, but really weak or insipid.
   [1913 Webster]

         He [Prof. Ayton] would purge his book of much offensive
         matter, if he struck out epithets which are in the bad
         taste of the forcible-feeble school.     --N. Brit.
                                                  Review.
   [1913 Webster]