stagey

from WordNet (r) 3.0 (2006)

stagey
    adj 1: having characteristics of the stage especially an
           artificial and mannered quality; "stagy heroics" [syn:
           {stagy}, {stagey}]

from The Collaborative International Dictionary of English v.0.48

Stagy \Sta"gy\ (st[=a]"j[y^]), a. [Written also {stagey}.]
   Having an air or manner characteristic of the stage;
   theatrical; artificial; as, a stagy tone or bearing; --
   chiefly used depreciatively.
   [Webster 1913 Suppl.]