The Collaborative International Dictionary of English v.0.48:

Unglue \Un*glue"\, v. t. [1st pref. un- + glue.]
   To separate, part, or open, as anything fastened with glue.
   [1913 Webster]

         She stretches, gapes, unglues her eyes,
         And asks if it be time to rise.          --Swift.
   [1913 Webster]