brabbler

Fare thee well; We hold our time too precious to be spent With such a brabbler.

LEWIS There end thy brave, and turn thy face in peace; We grant thou canst outscold us: fare thee well; We hold our time too precious to be spent With such a brabbler.

He will spend his mouth and promise, like Brabbler the hound; but when he performs, astronomers foretell it: it is prodigious, there will come some change; the sun borrows of the moon when Diomed keeps his word.