Source : Webster's Revised Unabridged Dictionary (1913)

Hyp \Hyp\, n.
   An abbreviation of hypochonaria; -- usually in plural.
   [Colloq.]

         Heaven send thou hast not got the hyps.  --Swift.

Hyp \Hyp\, v. t.
   To make melancholy. [Colloq.] --W. Irving.