Wiktionary
vb. 1 (context rare transitive English) To befoul with excrement. 2 (context rare transitive figuratively English) To tarnish or slander.
Usage examples of "bemerd".
The whole poetry-loathing world had the face of Dr Wapenshaw but, he felt, having soundly and legitimately bemerded that face in imagination and micturated on it also, the world was content merely to loathe, while Dr Wapenshaw had had to go further, deliberately liquidating the poet.
He foreheard the bemerding response to that and crumpled the yellow legal paper up.
He, Enderby, was encircled by discouragement, and when, as from her with the divine black ass and the other attributes of magnetism, he was granted encouragement it was in the direction of the further bemerding of poor Will, more, the whole of his spacious age.