effusive \ih-FYOO-siv\, adjective:
Excessively demonstrative; giving or involving extravagant or excessive emotional expression; gushing.
His speeches are embarrassingly effusive; treacle drips from their pages: "I yield to none in my admiration for our teachers, doctors, nurses and police . . . Our public servants are the best in the world, and when given the leadership and investment they need, they achieve world-class standards."
-- Mary Ann Sieghart, "Blair lays bare his iron fist for change", Times (London), June 1, 2001