Characterized by a pretentious, boastful, exaggerated style; defiantly or extravagantly bombastic, especially regarding of the greatness of the U. S.; as, a spread-eagle orator; a spread-eagle speech. [1913 Webster]
spread-eagle, v. i.
To assume a spread-eagled position; -- it may be done reclining, for relaxation, or momentarily, as an exhibitionary maneuver in a sport. [PJC]